Herman van Herwijnen's Slide Rule Catalogue at ISRM

- JK -
258 Items


Index A B C DE FG HI JK L M NO PQ R S T UVWXYZ

Image REF# Make & Model DESCRIPTION

1468
Jakar 1005
Generic slide rule of plastic
285x40x4 mm
Front Scales: S K A [ B CI C ] D L T

1469
Jakar 1006 D
Generic slide rule of plastic
292x43x5.4 mm
Front Scales: 10inch // K DF [ CF CIF CI C ] D A
Back Scales: [ TI1 TI2 L SI ]

3289
Jakar 1013
Generic slide rule of plastic
284x37x5 mm
Front Scales: 25cm // LL2 A [ B C ] D LL3

1465
Jakar 33 Duplex Log Log
Generic slide rule of plastic
179x36x4 mm
Front Scales: LL-0 K A [ B T S C ] D P L LL0
Back Scales: LL-1 LL-2 LL-3 DF [ CF CIF CI C ] D LL3 LL2 LL1

3892
Jakar 511
Generic slide rule of plastic
159x39x4 mm
Front Scales: 5inch // LL3 LL2 A [ B CI C ] D K LL1
Back Scales: [ T2 T1 L S ]

3286
Jakar 523 D
Generic slide rule of plastic
151x37x5 mm
Front Scales: 13cm // K DF [ CF CI C ] D A \\ 5inch
Back Scales: [ T2 T1 L S ]

5047
Jason 802
Generic slide rule
Front Scales: LL0 LL00 K A [ B K CI C ] D S ST T
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

1471
Jeppesen CR-2
Aviation disc of plastic
110x35 mm (1955)
Front Scales: 1 ( 2 3) + 6 windows
Back Scales: 4 ( 5 ) 6

3239
Jeppesen CR-3
Supersonic flight disc of plastic
152 mm (1955)
Front Scales: Special Scales

1475
Jeppesen CSG-8A Flight Computer
Generic disc of metal
97x242x6 mm

1476
Jeppesen CSG-8P Flight Computer
Aviation disc of plastic
125x240x5 mm Front Scales: 1
Back Scales: 2

1477
Jeppesen CSG-9 Flight Computer
Aviation disc of metal
242x125 mm

1473
Jeppesen E-6B
Aviation disc of metal
242x123x10 mm

5034
Jeppesen Jepco Avigation Plotter PV-2
Aviation instrument of plastic
187x77x0.6 mm
Front Scales: See picture
Back Scales: See picture

1472
Jeppesen Model R.2 Computer
Aviation disc of plastic
109x4 mm (1955)
Front Scales: See picture
Back Scales: See picture

3871
Jeppesen Model CR-3 Sanderson
Aviation disc of plastic, 152x3 mm (1955)

3830
Jeppesen Model CR-5 Computer
Aviation disc of plastic/metal, 95.5x4.5 mm

1478
Jeppesen Sanderson Inc. MU 514200 B
Aviation disc of plastic
224x88x1 mm (1983, 1990)

3875
Jeppesen Sanderson Model CR-5
Aviation disc of plastic
95x3 mm

2879
Jersey Average Seismic Velocity
Seismology slide rule of plastic
330x83x6 mm
Front Scales: Tx [ To ] 1 2 [ X V ]
Back Scales: [ X V ] Tx [ To To ] Tx

1479
Johnston Hydraulic Tester
Log/tech slide chart of cardboard
160x76x1.7 mm

3678
Jorgensen Universal Circle
Generic cylinder of plastic
99x69.5 mm (1970)
Front Scales: x3 [ x x ] x x [ x x2 ] x2

1489
Jubo Zwiegenäht
Generic disc of metal
134 mm
Front Scales: C ( D )

1490
Kane Mark VI
Aviation disc of metal
237x97 Ø145 mm (1957)

2679
Kartenwinkelmesser AK-4
Military disc of plastic
215x165x0.8 mm (1975)
Front Scales: divers scales

2730
Kartenwinkelmesser with rule. Rule not shown
Military disc of plastic
164x215x1 mm
Front Scales: divers scales

1491
Kasper rioolberekening
Technical slide rule of plastic
435x78x14 mm
Front Scales: 1 2 [ 3 4 ][ 5 6 7 ] 8 9

5417
Kathrein Antennenwahler
By Kahtrein, technical disc of cardboard
161x1.5 mm (1958)
Front Scales: Polarisation ( Kat.No Type Gewinn VR-Verhaltn. Vert.Offn.W. Hor.Offn.W. )

0097
Keimpema PTT Radiologische Schijf
Technical disc of plastic
140x1.4 mm
Front Scales: 1 2 3 ( 4 5 )

5084
Kempenich Prestilog Profitmeter
Financial disc

1495
Kemperman Schroefbout Afmetingen
Technical slide chart of cardboard
223x96x1.4 mm

1494
Kemperman Schroefdraadtabel 11313
Technical slide chart

1496
Kent
Generic slide rule of plastic
151x32x4 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

1497
Kent 7153
Generic slide rule of plastic
328x44x4.5 mm
Front Scales: L K A [ B CI C ] D S ST T
Back Scales: 25cm [ ] 8inch

1498
Kent 7153 LL
Generic slide rule of plastic
330x44.4x3.8 mm
Front Scales: L K A [ B CI C ] D S ST T
Back Scales: 25cm [ S LL2 LL3 ] 8inch

1501

Generic slide rule of plastic
330x44x3.7 mm
Front Scales: T K A [ B CI C ] D S ST L
Back Scales: [ LL1 LL2 LL3 ]

1503
Kent 7903 LL
Generic slide rule of plastic
326x44x3.7 mm
Front Scales: T K A [ B CI C ] D S ST L
Back Scales: [ LL1 LL2 LL3 ]

3524
Kenyon Bruehl Marine Protractor
Nautical protractor of metal
560x130x20 mm

3954
Kessler Energy conversion factors
Conversion rule/cursor no slide of plastic, 194x42x1 mm

4122
Keuffel & Esser < 4053-3F > dated 1913
Generic slide rule of engine divided celluloid laminated mahogany Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S T L ]

4050
Keuffel & Esser < 4031 > Mannheim Adjustable
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4049
Keuffel & Esser < 4031 > Mannheim Adjustable dated 1903, 1906, 1909 and 1913
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 13.7cm
Back Scales: [ S T ]

4048
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1900 and 1901
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4519
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1914
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 13.7cm
Back Scales: [ S L T ]

4743
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1915 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 13.7cm
Back Scales: [ S L T ]

4744
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1915 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 13.7cm
Back Scales: [ S L T ]

4746
Keuffel & Esser < 4031 > Mannheim Adjustable, dated 1925 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4051
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1922
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4745
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1922 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4052
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1925
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4747
Keuffel & Esser < 4031 > S Mannheim Adjustable, dated 1925 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 5inch // A [ B C ] D || 12cm
Back Scales: [ S L T ]

4054
Keuffel & Esser < 4035 > Mannheim Adjustable dated 1906
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B C ] D || 21cm
Back Scales: [ S L T ]

4056
Keuffel & Esser < 4035 > Mannheim Adjustable dated 1915
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B C ] D || 21.2cm
Back Scales: [ S L T ]

4520
Keuffel & Esser < 4035 > Mannheim Adjustable, dated 1914
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B C ] D || 21.2cm
Back Scales: [ S L T ]

4678
Keuffel & Esser < 4041 > Mannheim, dated 1908
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 28-52cm
Back Scales: [ S L T ]

4656
Keuffel & Esser < 4041 > Polyphase Mannheim, dated 1909
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4518
Keuffel & Esser < 4041 > Mannheim, dated 1921
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4654
Keuffel & Esser < 4041 > Mannheim, dated 1921 and 1922
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4067
Keuffel & Esser < 4041 F > Mannheim, dated 1915
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4082
Keuffel & Esser < 4045 > Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
420x36x13 mm (1915, 1921, 1922, 1925, 1927, 1930)
Front Scales: 16inch // A [ B C ] D || 42cm
Back Scales: [ S L T ]

4102
Keuffel & Esser < 4053-2 > Polyphase Mannheim Adjustable, dated 1915 and 1921
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4525
Keuffel & Esser < 4053-2 > Polyphase Mannheim Adjustable, dated 1914, Metal cursor bars (1915 only)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4751
Keuffel & Esser < 4053-2 > Polyphase Mannheim Adjustable, dated 1915. All glass cursor, celluloid bars
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4752
Keuffel & Esser < 4053-2 > Polyphase Mannheim Adjustable. Improved Cursor (1925)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4106
Keuffel & Esser < 4053-3 > Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm (1913)
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4107
Keuffel & Esser < 4053-3 > Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4498
Keuffel & Esser < 4053-3 > Polyphase Mannheim Adjustable, Metal cursor bars (1915 only)
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4757
Keuffel & Esser < 4053-3F > Poly Mannheim Adjustable dated 1913 (other example) Magnifier
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4756
Keuffel & Esser < 4053-3F > Poly Mannheim Adjustable dated 1913 (other example). Magnifier
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4755
Keuffel & Esser < 4053-3F > Polyphase Mannheim (other example) Adjustable Magnifier
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4527
Keuffel & Esser < 4053-5 > Polyphase Mannheim Adjustable Dated 1914
Generic slide rule of Engine divided celluloid laminated mahogany
540x34.5x10 mm
Front Scales: 20inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4094
Keuffel & Esser < 4053 > Polyphase Slide Rule, Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x10 mm
Front Scales: 10inch // A [ B CI C ] D || K
Back Scales: [ S L T ]

4144
Keuffel & Esser < 4054 > Favorite (Mannheim) adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x2910.5 mm (1906, 1909, 1913, 1915, 1921, 1922, 1925)
Front Scales: 10in //A [ B C ] D || 26cm
Back Scales: [ S L T ]

4145
Keuffel & Esser < 4054 > Polyphase (Mannheim)
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D
Back Scales: [ S L T ]

4147
Keuffel & Esser < 4055 > Favorite Adjustable (Mannheim)
Generic slide rule of Engine divided celluloid laminated mahogany
271x285x105 mm (1936, 1937, 1939, 1943)
Front Scales: A [ B C ] D
Back Scales: [ S L T ]

4562
Keuffel & Esser < 4070-3 > Polyphase Duplex Trig
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: K A [ B T ST S ] D DI
Back Scales: DF [ CF CIF CI C ] D L

4190
Keuffel & Esser < 4071-3 > Polyphase Duplex Decitrig
Generic slide rule of Engine divided celluloid laminated mahogany
310x33x6 mm (1939, 1943, 1944, 1947, 1949, 1954, 1955)
Front Scales: K A [ B T ST S ] D DI
Back Scales: DF [ CF CIF CI C ] D L

4189
Keuffel & Esser < 4071 > Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
308x27x6.7 mm (1915) metal cursor bars
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

3651
K&E 4071
Generic slide rule of Engine divided celluloid laminated mahogany
308x27x6.7 mm (1915) metal cursor bars
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

4547
Keuffel & Esser < 4071 T > Duplex, with Trig Scale, L scale on back, not on edge, dated 1915
Generic slide rule of Engine divided celluloid laminated mahogany
308x27x6.7 mm
Front Scales: A [ B S C ] D
Back Scales: A [ BI T CI ] D L

4196
Keuffel & Esser < 4071 T > Duplex, with Trig Scales, dated 1909
308x27x6.7 mm
Front Scales: A [ B S C ] D
Back Scales: A [ BI T CI ] D
Bottom Scale: L

4208
Keuffel & Esser < 4080-3 > Log Log Duplex Trig
Generic slide rule of Engine divided celluloid laminated mahogany
318x40.5x6.5 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4618
Keuffel & Esser < 4080-3 > Log Log Duplex Trig
Generic slide rule of Engine divided celluloid laminated mahogany
318x40.5x6.5 mm (Improved cursor)
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4206
Keuffel & Esser < 4080-3 > Log Log Duplex Trig. Replaced 4090-3
Generic slide rule of Engine divided celluloid laminated mahogany
318x40.5x6.5 mm (1937)
Front Scales: LL00 LL0 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4209
Keuffel & Esser < 4080-3 > S Log Log Duplex Trig
Generic slide rule of Engine divided celluloid laminated mahogany
318x40.5x6.5 mm
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4216
Keuffel & Esser < 4080-5 > Log Log Duplex Trig
Generic slide rule
565x40.6x8 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4217
Keuffel & Esser < 4080-5 > S Log Log Duplex Trig
Generic slide rule, 565x40.6x8 mm (1939, 1943, 1944, 1947) Front Scales: LL0 LL00 A [ B T ST S ] D DI K Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4237
Keuffel & Esser < 4081-3 > Log Log Duplex Decitrig
Generic slide rule of Engine divided celluloid laminated mahogany
318x41x6.5 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4253
Keuffel & Esser < 4081-5 > Log Log Duplex Decitrig
Generic duplex slide rule
565x40.6x8 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4254
Keuffel & Esser < 4081-5 > S Log Log Duplex Decitrig
Generic duplex slide rule
565x40.6x8 mm (1939, 1943, 1944, 1947)
Front Scales: LL0 LL00 A [ B T ST S ] D DI K
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4262
Keuffel & Esser < 4082-3 >
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: LL0 LL00 A [ B T ST S ] D DI F
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4288
Keuffel & Esser < 4087 > Duplex
Generic slide rule of Engine divided celluloid laminated mahogany Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

4300
Keuffel & Esser < 4088-3 > Polyphase Duplex, dated 1913
308x30.4x6.6 mm
Front Scales: K A [ S T CI ] D L
Back Scales: DF [ CF CIF C ] D

4301
Keuffel & Esser < 4088-3 > Polyphase Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
308x30.4x6.6 mm (1915, 1921)
Front Scales: K A [ S T CI ] D L
Back Scales: DF [ CF CIF C ] D

4320
Keuffel & Esser < 4091-3 > Log Log Decitrig. Replaced by 4080-3
Generic slide rule of Engine divided celluloid laminated mahogany
308x30.4x6.6 mm (1936, 1937P-d)
Front Scales: LL0 A [ B K CI ] T S2 S1
Back Scales: L LL1 DF [ CF CIF C ] D LL3 LL2

4326
Keuffel & Esser < 4092-3 > Log Log Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
318x41x65 mm (1922)
Front Scales: LL0 A [ B S T C ] LL3 LL2 LL1
Back Scales: K DF [ CF CIF CI C ] D L

4762
Keuffel & Esser < 4097 C >
Front Scales: A [ B CI C ] D K


5049
Keuffel & Esser < 4097 C > Ever-There, (Old 4098)
Generic slide rule of Engine Divided White Xylonite
153x33x3.5 mm (1936, 1937, 1939, 1943, 1944, 1947, 1949)
Front Scales: A [ B CI C ] D K
Back Scales: 5inch [ S L T ] 13cm

4373
Keuffel & Esser < 4097 C > Ever - There, 1936 (Old 4098)
Generic slide rule of Engine Divided White Xylonite
153x33x3.5 mm (1936, 1937, 1939, 1942, 1943, 1944, 1947, 1949, 1952)
Front Scales: A [ B CI C ] D K
Back Scales: [ S L T ]

4684
Keuffel & Esser < 4100 >
Generic slide rule

4385
Keuffel & Esser < 4100 > S Stadia
Generic slide rule of Engine divided celluloid laminated mahogany
260x25x10 mm (1922)
Front Scales: R = H HC V = A
Back Scales: = C B = Second line, ' "Rc" the corrected rod reading = 100 X rod reading + (f + c), '

4394
Keuffel & Esser < 4101 > Stadia
Generic slide rule of Engine divided celluloid laminated mahogany

4408
Keuffel & Esser < 4110 > Special Rule made for Annapolis
Generic slide rule of Engine divided celluloid laminated mahogany
[from Clark mccoy - built on the N4096 desktop rule frame, using the N4096 improved indicator]
260x25x10 mm (1942 - JOS, Mar. 1993)
Front Scales: P F A = B T S CI C = D
Back Scales:

4427
Keuffel & Esser < 4138 > Morrison Radio Engineer's Slide Rule
Log/tech slide rule of Engine divided celluloid laminated mahogany

4429
Keuffel & Esser < 4139 > Cooke Radio Slide Rule
Generic slide rule of Engine divided celluloid laminated mahogany
310x33x6.5 mm (1943, 1944, 1947, 1949, 1954, 1955)
Front Scales: LC A [ B T ST S ] D DI
Back Scales: L DF [ CF CIF CI C ] D 2_


4730
Keuffel & Esser < 4165 > Urea Index (Blood plasma)
Generic slide rule Front Scales: // 10in D [ Wt. Ur. ] E || 27cm


4465
Keuffel & Esser < 4175 > Kurtz Psychrometric
Technical slide rule of wood/celluloid
300x40x10 mm (1936, 1937, 1939)
Front Scales: 1 2 [ 3 4 5 ] 6 7 8 9 10 11

4192
Keuffel & Esser < 9071-3 > Doric
Generic slide rule of Engine Divided White Xylonite
Front Scales: K A [ B T ST S ] D DI
Back Scales: DF [ CF CIF CI C ] D L

4749
Keuffel & Esser < N4041 > dated 1925 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10in // A [ B C ] D || 25cm
Back Scales: [ S L T ]

4078
Keuffel & Esser < N 4041 > Mannheim Adjustable, dated 1936 thru 1943
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10in // A [ B C ] D || 25cm
Back Scales: [ S L T ]

4581
Keuffel & Esser < N4053-3 >
Generic slide rule of wood/celluloid
Front Scales: 10in // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4727
Keuffel & Esser < N4053-3 >
Generic slide rule of wood/celluloid
Front Scales: 10in // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4110
Keuffel & Esser < N4053-3 > Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 10in // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4113
Keuffel & Esser < N4053-3 > Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x35x10 mm (1936, 1937, 1939, 1943, 1944, 1947, 1949)
Front Scales: 10in // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4580
Keuffel & Esser < N4053-3 > Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x35x10 mm (1936)
Front Scales: 10in // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4127
Keuffel & Esser < N4053-3F > S Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x35x10 mm (1915)
Front Scales: 10in // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4754
Keuffel & Esser < N4053-2 > Mannheim Adjustable, dated 1924 (other example)
Front Scales: 8in // A [ B CI C ] D K || 20cm
Back Scales: [ S L T ]

4366
Keuffel & Esser < N4096 > Desk Slide Rule, (same as other N 4096, but without stand, knob, or special case)
Front Scales:DF [ CF CI C ] D


0113
Keuffel & Esser < 4071-3 > Polyphase Duplex Decitrig
Generic slide rule of Engine divided celluloid laminated mahogany
308x27x6.7 mm
Front Scales: K A [ B T ST S ] D DI
Back Scales: DF [ CF CIF CI ] D L

4568
Keuffel & Esser < 4071-3> Polyphase Duplex Decitrig
Generic slide rule of Engine divided celluloid laminated mahogany
308x27x6.7 mm
Front Scales: K A [ B T ST S ] D DI
Back Scales: DF [ CF CIF CI ] D L

4499
Keuffel & Esser < 4071 T > Duplex with Trig scales, L scale on back, not on edge, dated 1913
Front Scales: A [ B S C ] D
Back Scales: A [ BI T CI ] D L

4317
Keuffel & Esser < 4090-3 > S Log Log Trig. Replaced by 4080-3S
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: LL0 A [ B K CI ] T S2 S1
Back Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

4002
Keuffel & Esser 10002 Doric with trigonometrical scales divided to represent degrees and minutes
Back Scales: DF [ CF CIF CI C ] D L
Front Scales: K A [ B ST S ] D T

4765
Keuffel & Esser 1742 - 4 Albert C. Crane's Sewer Slide Rule
Log/tech slide rule

4013
Keuffel & Esser 1743 Charpentier Calculator, dated 1895
Disc of metal

Keuffel & Esser 1744 1/2 Duplex, dated 1899
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

4020
Keuffel & Esser 1744 Duplex with arithmetical slide, dated 1895, Cox's Patent
Generic slide rule of engine divided celluloid laminated wood
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

4410
Keuffel & Esser 1749 - 4 Crane's Sewer Slide Rule
Slide rule

4379
Keuffel & Esser N4100 Stadia
Slide rule of engine divided celluloid laminated mahogany Front Scales: R [ V H, HC, V ] A
Back Scales: [ C B ]

4005
Keuffel & Esser 4012 Thacher cylinder
Generic cylinder

4740
Keuffel & Esser 4012 Thacher cylinder (other example, dated 1910)
Generic cylinder

4040
Keuffel & Esser 4017 Sperry, watch style Pat Oct. 25 1904
Generic watch type of metal/glass

4041
Keuffel & Esser 4017 Sperry's Calculator Pat. Dec. 26. 1911
Generic watch type of metal/glass

4014
Keuffel & Esser 4020 Charpentier Calculator, dated 1906
Disc of metal

4060
Keuffel & Esser 4040 Mannheim dated 1901
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4731
Keuffel & Esser 4041 (No number on rule) dated pre 1909
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm


5808
Keuffel & Esser 4041 dated 1906
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4763
Keuffel & Esser 4041 dated 1906 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4772
Keuffel & Esser 4041 dated 1906 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

5807
Keuffel & Esser 4041 dated 1922
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4062
Keuffel & Esser 4041 F Mannheim, dated 1906
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4655
Keuffel & Esser 4041 Mannheim, dated 1903
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4748
Keuffel & Esser 4041 Mannheim, dated 1906
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4061
Keuffel & Esser 4041 Mannheim, dated 1906 (other example)
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Well: 27.5-52cm
Back Scales: [ S L T ]

4680
Keuffel & Esser 4041 Mannheim, dated 1909
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4066
Keuffel & Esser 4041 Mannheim, dated 1915
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4677
Keuffel & Esser 4041 Mannheim, dated 1922
Generic slide rule of engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B C ] D || 27cm
Back Scales: [ S L T ]

4582
Keuffel & Esser 4053-3 Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany and molded plastic back
278x35x8 mm (1956)
Front Scales: 10inch // A [ B CI C ] D \\ 25cm
Back Scales: [ S L T ]

4583
Keuffel & Esser 4053-3S Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany and molded plastic back
278x35x8 mm (1956)
Front Scales: 10inch // A [ B CI C ] D \\ 25cm
Back Scales: [ S L T ]

4118
Keuffel & Esser 4053-3S Polyphase Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany and molded plastic back
278x35x8 mm (1956)
Front Scales: 10inch // A [ B CI C ] D \\ 25cm
Back Scales: [ S L T ]

Keuffel & Esser 4058 Student's Slide Rule, printed on light-colored wood, with steel spring
Generic slide ruleslide rule of Light colored wood
270x29x9 mm (1915, 1921, 1922)
Front Scales: A [ B CI C ] D
Back Scales: [ S L T ]


4161
Keuffel & Esser 4058 W Beginners' Slide Rule
Student slide rule of Light colored wood
270x28.5x9 mm (1942,1943)
Front Scales: A [ B C ] D
Back Scales: [ S L T ]

5804
Keuffel & Esser 4060 Cox's Patent
Generic slide rule
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

5806
Keuffel & Esser 4060 Cox's Patent 1891
Generic slide rule
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

4174
Keuffel & Esser 4065 T Duplex Trig
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B S C ] D || L
Back Scales: A [ BI T CI ] D


4182
Keuffel & Esser 4070 - Chisel Cursor
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D


4183
Keuffel & Esser 4070 Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D


4200
Keuffel & Esser 4076 Duplex, Interchangeable Slides
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D


4243
Keuffel & Esser 4081 - 3 Log Log Duplex Decitrig
Generic slide rule of Engine divided celluloid laminated mahogany
318x41x6.5 mm (1953, 1954, 1955)
Front Scales: LL01 L K A [ B T ST S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4244
Keuffel & Esser 4081-3S Log Log Duplex Decitrig
Generic slide rule of Engine divided celluloid laminated mahogany
318x41x6.5 mm (1953, 1954, 1955)
Front Scales: LL01 L K A [ B T ST S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4606
Keuffel & Esser 4081-3S Log Log Duplex Decitrig, exposed mahogany edges
Generic slide rule of Engine divided celluloid laminated mahogany
318x41x6.5 mm (1953, 1954, 1955)
Front Scales: LL01 L K A [ B T ST S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4502
Keuffel & Esser 4083-3 Log Log Duplex Vector
Front Scales: Sh1 Sh2 Th A [ B T SRT S ] D DI LL01 LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4570
Keuffel & Esser 4083-3 Log Log Duplex Vector (Also no. 68-1434)
Generic slide rule of Engine divided celluloid laminated mahogany, with exposed mahogany edges
Front Scales: Sh1 Sh2 Th A [ B T SRT S ] D DI LL01 LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4622
Keuffel & Esser 4090 Original prototype for 4090 Universal rule
Generic slide rule of boxwood
Front Scales: A [ B C ] D [ C S ]
Back Scales: A [ BI CI ] D [ CI L T ] D

4289
Keuffel & Esser 4087 Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D
Back Scales: A [ BI CI ] D

4313
Keuffel & Esser 4090 Universal, 2 attached slides, dated 1901, 1903
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: A [ B C ] D [ C S ]
Back Scales: A [ BI CI ] D [ CI L T ] D

4355
Keuffel & Esser 4095-3 Merchants' Adjustable Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: DF [ CF C ] D
Back Scales: [ CI ] D

4346
Keuffel & Esser 4095 Triangular Metal
Generic slide rule of metal
3 sides

4378
Keuffel & Esser 4098 A Pocket Slide Rule
Generic slide rule of Engine Divided White Xylonite
153x33x3.5 mm (1936, 1937, 1939, 1943, 1944, 1947, 1949)
Front Scales: A [ B C ] D
Back Scales: 5inch [ S L T ] 13cm

4384
Keuffel & Esser 4100 Stadia
Generic slide rule of Engine divided celluloid laminated mahogany

4095
Keuffel & Esser 4108 Military Slide Rule
Military slide rule of Engine divided celluloid laminated mahogany
285x40.9x10.3 mm (1960)
Front Scales: Deg. Mils [ Mils Apex Angle CI Base C ] Range D A
Back Scales: [ Tan Sin - Tan Sin C ]

4415
Keuffel & Esser 4128 Nordell Sewer Slide Rule, Duplex Type
Log/tech slide rule

4434
Keuffel & Esser 4141 Hudson's Horsepower Computing Scale
Technical slide rule of boxwood

4440
Keuffel & Esser 4143 Kissam Stadia (Also no. 68-1486)
Log/tech slide rule

4349
Keuffel & Esser 4150-1 Pocket Slide Rule
Generic slide rule of Ivorite Precison Molded ABS

4460
Keuffel & Esser 4165 Urea Index Rule
Medical slide rule
Scale: 10in // D [ Wt. C Ur. ] E || 27cm

4478
Keuffel & Esser 4168 Doric Pocket Slide Rule
Generic slide rule of Ivorite Precison Molded ABS
170x28.5x3.5 mm (1954, 1955)
Front Scales: K A [ B ST S ] D T
Back Scales: DF [ CF CI C ] D L

4229
Keuffel & Esser 4181 - 1 Pocket Slide Rule (B1. and A2.)
Generic slide rule of Ivorite Precison Molded ABS
177x38x4 mm (1954, 1955)
Front Scales: LL01 L K A [ B T ST S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4245
Keuffel & Esser 4181 - 3 Log Log Duplex Decitrig
Generic slide rule of Ivorite Precison Molded ABS
317x41x4.5 mm (1954, 1955)
Front Scales: LL01 L K A [ B T SRT S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

5094
Keuffel & Esser 4yyy
Generic slide rule, 1023x38 mm
Front Scales: 50cm // A [ B C ] D
Well: #51-101cm#
Back Scales: [ S T scale 0-1000 ]

4468
Keuffel & Esser 68-1100 Deci-Lon 10 Instruction model
Generic slide rule of Ivorite Precison Molded ABS
323x49x4.5 mm (1962, 1967)
Front Scales: Ln-3 Ln-2 Ln-1 Ln-0 A [ B T SRT S C ] D DI K
Back Scales: Sq1 Sq2 DF [ CF CIF L CI C ] D Ln0 Ln1 Ln2 Ln3

4469
Keuffel & Esser 68 - 1130 Deci-Lon 5
Generic slide rule of Ivorite Precison Molded ABS
182x49.5x3.8 mm (1962, 1964, 1967, 1972)
Front Scales: Ln-3 Ln-2 Ln-1 Ln-0 A [ B T SRT S C ] D DI K
Back Scales: Sq1 Sq2 DF [ CF CIF L CI C ] D Ln0 Ln1 Ln2 Ln3

4248
Keuffel & Esser 68-1210 Decitrig, with sewed leather, chamois lined case, with belt carrier
Generic slide rule of Engine divided celluloid laminated mahogany
318x415x7 mm (1962, 1967, 1972)
Front Scales: LL01 L K A [ B T SRT S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4251
Keuffel & Esser 68-1251 Jet-Log (A. and B.)
Generic slide rule of Ivorite Precison Molded ABS
Front Scales: LL01 L K A [ B T SRT S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4252
Keuffel & Esser 68-1256 Jet-Log (A. and B.)
Generic slide rule of Ivorite Precison Molded ABS
Front Scales: LL01 L K A [ B T SRT S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4214
Keuffel & Esser 68-1318 Log Log Duplex Trig
Generic slide rule of Engine divided celluloid laminated mahogany
319x415x7 mm (1962, 1967)
Front Scales: LL01 L K A [ B T SRT S ] D DI LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4273
Keuffel & Esser 68-1434 Log Log Duplex Vector
Generic slide rule of Engine divided celluloid laminated mahogany
313x41x7 mm (1962, 1967)
Front Scales: Sh1 Sh2 Th A [ B T SRT S ] D DI LL01 LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4475
Keuffel & Esser 68-1565 GP-12
Generic slide rule of Ivorite Precison Molded ABS
317x45.5x4.5 mm (pat. 1964, 1966, 1967, 1972)
Front Scales: Sq1 Sq2 DF [ CF T SRT S CI C ] D A K
Back Scales: D [ 25cm 10inch ] L

4119
Keuffel & Esser 68-1617 Polyphase
Generic slide rule of Engine divided celluloid laminated mahogany
277x36x8 mm (1962, 1967)
Front Scales: 10inch // A [ B CI C ] D K \\ 25cm
Back Scales: [ S L T ]

4345
Keuffel & Esser 68-1775 Merchants'
Generic slide rule of Engine divided celluloid laminated mahogany Front Scales: 10inch // DF [ CF CI C ] D \\ 25cm


4445
Keuffel & Esser 68-1892 K-12 Prep
Generic slide rule of Vinylite laminations, Heat stamped
311.5x41.5x3.2 mm (1966, 1972)
Front Scales: K A [ B S CI T C ] D L

4474
Keuffel & Esser 68 1400 Analon (B..)
Generic slide rule of Ivorite Precison Molded ABS
317x45.5x4.5 mm (1967)
Front Scales: V2 V1/2 A [ B U1/2 U-1 U C ] D V V-1

4630
Keuffel & Esser American 1
Generic slide rule of wood/plastic
Front Scales: 10in // A [ B C ] D || 25cm
Well: #26-51cm#
Back Scales: [ S L T ]

4584
Keuffel & Esser American Mannheim
Generic slide rule of engine divided celluloid laminated blond hardwood, with printed inch and cm rules.
Front Scales: 10in // A [ B C ] D || 25cm
Well: #26-51cm#
Back Scales: [ S L T ]

5660
Keuffel & Esser Brick-O-Meter (Mackensen C, Co. Inc)
Log/tech slide rule
Scale: Quantity [ Material, Height ] Length
Determines number of bricks needed for a wall

3960
Keuffel & Esser Construction
Log/tech slide rule
Front Scale: A [ B BI ][ Inches Thickness ]
Back Scale: A [ B ][ C ] D

3842
Keuffel & Esser Deci - Lon Instruction Rule


4750
Keuffel & Esser Military (Picture page 2, case)
Slide rule

5812
Keuffel & Esser Mystery rule
Generic slide rule Front Scales: 50cm // A [ B CI C ] D L || K
Well: #26-51cm#
Back Scales: [ S A T ] (Note A scale on slide)

5809
Keuffel & Esser N < 4041 > dated 1909 (needs checking)
Front Scales: 10in // A [ B C ] D || 25cm
Well: #26-51cm#
Back Scales: [ S L T ]

4070
Keuffel & Esser N < 4041 > Mannheim Adjustable
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x4.5 mm (1925, 1927, 1930)
Front Scales: 10inch // A [ B C ] D || 25cm
Back Scales: [ S L T ]

4055
Keuffel & Esser N < 4041 > Mannheim, dated 1924
Generic slide rule of Engine divided celluloid laminated mahogany
270x34.5x4.5 mm (1925, 1927, 1930)
Front Scales: 10inch // A [ B C ] D || 25cm
Back Scales: [ S L T ]

4104
Keuffel & Esser N < 4053-2 > S Polyphase Mannheim Adjustable, dated 1925
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D K || 20cm
Back Scales: [ S L T ]

4704
Keuffel & Esser N < 4053-3F > Mannheim Adjustable dated 1923
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B CI C ] D K || 25cm
Back Scales: [ S L T ]

4126
Keuffel & Esser N < 4053-3F > Polyphase Mannheim Adjustable, dated 1925, 1927, 1928, 1930
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 10inch // A [ B CI C ] D K || LL
Back Scales: [ S L T ]

4686
Keuffel & Esser N < 4053-5 > Polyphase Mannheim Adjustable Dated 1923
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 20inch // A [ B CI C ] D K || 50cm
Back Scales: [ S L T ]

4696
Keuffel & Esser N < 4053 - 5 > Polyphase Mannheim Adjustable Dated 1923
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 20inch // A [ B CI C ] D K || 50cm
Back Scales: [ S L T ]

4103
Keuffel & Esser N < 4053-2 > Mannheim Adjustable, dated 1924
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D K || 20cm
Back Scales: [ S L T ]

4753
Keuffel & Esser N < 4053- 2 > Mannheim Adjustable, dated 1924 (other example)
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 8inch // A [ B CI C ] D K || 20cm
Back Scales: [ S L T ]

4386
Keuffel & Esser N < 4100 > Stadia
Front Scales: 10inch // R [ R HC V ] A || 25cm
Back Scales: [ C B ]

4403
Keuffel & Esser N < 4102 > Surveyor's Duplex
Generic slide rule of Engine divided celluloid laminated mahogany Front Scales: Vert. A [ B CI C ] D Vert. Hor.
Back Scales: D, Sin d [ Cos l&h, C, Tan ] Tan I, Az

3640
Keuffel & Esser N < 4123 > Roylance
Front Scales: A [ B 0-260 CI C ] D || B&S Gauge
Back Scales: [ S L T ]

4517
Keuffel & Esser N < 4133 > S Roylance Electrical
Front Scales: A [ B 0-260 CI C ] D || B&S Gauge
Back Scales: [ S L T ]

4006
Keuffel & Esser N4012 Thacher's Calculating Instrument
Generic cylinder of wood/plastic

4726
Keuffel & Esser N4053-3
Front Scales: A [ B CI C ] D K
Back Scales: [ S L T ]

4138
Keuffel & Esser N 4053-5 Polyphase Mannheim Adjustable, with molded plastic back
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: 20in // A [ B CI C ] D K || 50cm
Back Scales: [ S L T ]

4239
Keuffel & Esser N 4081-3 Log Log Decitrig Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
317x41x6 mm (1949)
Front Scales: LL01 K A [ B T ST S ] D L LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4328
Keuffel & Esser N 4092-3 Log Log Duplex
Generic slide rule of Engine divided celluloid laminated mahogany
Front Scales: LL0 A [ B S T C ] D LL3 LL2 LL1
Back Scales: K DF [ CF CIF CI C ] D L

4241
Keuffel & Esser N9081-3 Doric Plastic Slide Rule, decitrig scales, all black markings. replaced by N4181-3, 1952
Generic slide rule of Engine Divided White Xylonite
317.5x41x4.6 mm (1949,1952)
Front Scales: LL01 K A [ B T ST S ] D L LL1
Back Scales: LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2

4628
Keuffel & Esser National Union Radio Tubes
Electrical slide rule

4578
Keuffel & Esser NoNumber
Front Scales: 10in // N' N [ B CI C ] D M || 25cm
Back Scales: [ S L T ]

4638
Keuffel & Esser Percent of accuracy of estimate
Log/tech slide rule

4548
Keuffel & Esser Polyphase Mannheim Adjustable, no model number shown, marked only "K+E"
Front Scales: 10in // A DF [ CF CI C ] D K || 25cm
Back Scales: [ S B L T ]

4637
Keuffel & Esser Reymond Leather Calculator
Log/tech slide rule

4635
Keuffel & Esser U.S. Military Short Base Triangulation Model
Front Scale: Auxilialry Angle "A" [ Vertex Angle "t", base "b" ] Range "R"

4659
Keuffel & Esser Unknown 4041 Mannheim, dated 1902
Front Scales: 10in // A [ B C ] D \\ 26cm
Back Scales: [ S L T ]

4660
Keuffel & Esser Unknown 4041 Mannheim, dated 1902
Front Scales: 10in // A [ B C ] D || 26cm
Well: 26-51cm
Back Scales: [ S L T ]

4728
Keuffel & Esser Unknown number Made by Tavernier Gravet, dated 1883
Front Scales: 20cm // A [ B C ] D || 25cm
Well: 21-44cm
Back Scales: [ S L T ]

5269
Kieback EQH Kennlinienschieber
Log/tech slide chart of cardboard
100x205x2.5 mm
Front Scales: See Picture
Back Scales: See Picture

1544
Kingson Pocket Calculator with addiator
Generic rule/addiator of aluminium
158x37.5x7 mm
Front Scales: A [ 5inch B C1 C 14cm ] D
Back Scales: Addiator 6 rows

1546
Klawun 300 Mentor
Generic slide rule of plastic
297x40x3.2 mm
Front Scales: L DF [ CF CI C ] D A P sin tan

5394
Klix Kessler + Luch Conversion (non-logarithmic)
Conversion slide rule of plastic
194x43x.8 mm
Front Scales: See Picture
Back Scales: See Picture

5397
Klix Luchtrekenschuif
Log/tech slide chart of plastic
225x69x1.8 mm
Front Scales: See Picture
Back Scales: See Picture

5293
Klix Rekenliniaal voor Luchtkanalen
Technical slide chart of plastic, 225x66x2 mm Front Scales: See Picture, Back Scales: See Picture

5294
Klix Rekenliniaal voor Luchtkanalen
Technical slide chart of plastic
225x66x2 mm (1970)
Front Scales: See Picture
Back Scales: See Picture

3429
Klix Rohrnetzrechner für Luftkanale
Log/tech slide chart of plastic
229x75x3 mm

5277
Klix Rohrnetzrechner für Luftkanäle
Log/tech slide chart of plastic/cardboard
225x67x2 mm (1970)
Front Scales: See Picture
Back Scales: See Picture

5399
Klix Universeelschuif voor metalen luchtkanalen
Technical slide chart of plastic
225x67x1.8 mm (1970)
Front Scales: See Picture
Back Scales: See Picture

5315
Klix Wärmebedarfs Programmrechner
Log/tech slide chart of cardboard/plastic
295x100x1.6 mm
Front Scales: See Picture
Back Scales: See Picture

3681
Klöckner Moeller
Technical slide chart of plastic

5387
Knoll ECG liniaal Frequency QT Interval Electrocardiogram
Medical rule no cursor no slide of plastic
203x50x1 mm
Front Scales: See Picture
Back Scales: See Picture

1551
Koch Wasserversorgung und Entwässerung
Log/tech slide rule of wood/plastic
279x38x11 mm
Front Scales: 26cm // J V D [ QJ Qv ] X^4 G L || 10inch

3518
Kodak Eastman Film Kodaguide Color Rendering and Filter Factors
Photography Table of cardboard
76x117x1 mm (1940)
Front Scales: Tables
Back Scales: Tables

3478
Kodak kV - mAs Computer
Photography disc of cardboard
178x253x1 mm (1974)

5302
Kodak KvP - Mas Computer
Medical slide chart of cardboard
178x255x1 mm (1959)
Front Scales: See Picture
Back Scales: See Picture

2233
Kodak Master Photoguide 1951 with 5 discs in 32 pages booklet
Photography disc of cardboard
96x121x7 mm

1552
Kojevnikov
Military disc of metal
104x4 mm
Front Scales: 1 2 3 4 5 6

5404
Kraftstoff-Rechner Gasoline use by cars
Log/tech disc of plastic
90x3 mm
Front Scales: km Liter/100 km ( Liter, Back Scales: hours )

5400
Kratschmer Verlag Kraftstoffverbrauchs Gasoline use by cars
Log/tech disc of cardboard
90x0.8 mm
Front Scales: liter/100km liter ( km )

5401
Kratschmer Verlag Kraftstoffverbrauchs Gasoline use by cars (Variant)
Log/tech disc of cardboard
88x0.8 mm
Front Scales: liter/100km liter ( km )
Back Scales: NF Schilling Lire DM

5405
Kratschmer Verlag Kraftstoffverbrauchs Gasoline use by cars Made for Ford (Variant)
Log/tech disc of cardboard
89x0.5 mm
Front Scales: km Liter/100 km ( Liter )

5402
Kratschmer Verlag Lico Spannenkalkulator
Financial disc of cardboard
120x1 mm
Front Scales: Price ( %% )

5415
Kratschmer Verlag Spannenkalkulator
Financial disc of cardboard
129x1 mm (1958)
Front Scales: Price ( -% +% )

2047
Kreisrechenscheibe
Generic disc of metal
278x14 mm
Front Scales: n ( n sin cos arc tan )

2298
Krougovaia Logarifmioueskaia Model Lineikaia KL-1
Generic watch type of plastic
50.5x15.5 mm
Front Scales: A C
Back Scales: C S T

1560
Kutsuwa FN 401
Generic slide rule of plastic, 150x27x3 mm Front Scales: A = B CI C = D K

1561
Kutsuwa Pocket FN 801
Generic slide rule of plastic
280x33x5 mm
Front Scales: A [ B CI C ] D K
Back Scales: [ S L T ]

Index A B C DE FG HI JK L M NO PQ R S T UVWXYZ

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