SLIDE RULE CATALOGUE “ L I T E “

Sub-List : “ ALRO ”

NAME	MATCH NR.	DESCRIPTION
Alro 04 - 2220 Radio Large PTT	0088	Log/tech disc of plastic, 118x3.2 mm (1972) Front Scales: C and L N2 N = N khz Back Scales: nulniveauspanning C = Decibel
Alro 100 R	0061	Generic disc of metal, 125x135x115 mm Front Scales: N2 N = N N2 R N3 L
Alro 1010 Bureau model	3107	Financial disc of metal, 190x10 mm Front Scales: 1) 2) 3)
Alro 1010 Commercial	0085	Log/finan disc of metal, 125x135x12 mm Front Scales: Scale from 1.000-10.000
Alro 1010 Commercial System Hatex	0086	Log/finan disc of metal, 125x135x12 mm Front Scales: C = D 1)
Alro 200 R	0066	Generic disc of metal, 125x135x11.5 mm Front Scales: S T S&T N2 N = N N2 R N3
Alro 300 D	0077	Generic disc of metal, 125x135x12.4 mm Front Scales: L C COS = D S N2 N3 LL3 LL2 LL1
Alro 400 D	0079	Generic disc of metal, 125x135x11.5 mm Front Scales: S T R N2 N = N N2 N3 LL3 LL2 LL
Alro 600 E	0082	Electrical disc of metal, 125x135x11.5 mm Front Scales: n2 C = D n2 LL Dynamo-Motor Volt Ø L
Alro 746 Radiotechniek	0083	Log/tech disc of metal
Alro Artillery ST 9 - 430/2 rule no. 1	0429	Military rule/cursor no slide of plastic, 314x61x2 mm Front Scales: 1), Back Scales: 2)
Alro Artillery ST 9 - 430/2 rule no. 1 for 2 and 3	0430	Military slide rule of plastic, 313x61x2 mm Front Scales: 1), Back Scales: 2)
Alro Beton	0031	Concrete disc of metal, 122x5 mm
Alro Bureau Model Spring load	3519	Log/tech disc of plastic/metal, 190x20 mm
Alro Carborundum	0033	Technical disc of plastic, 120x185 mm
Alro Cobol Analyser	0035	Technical disc of plastic, 190x3 mm Front Scales: Many scales, Back Scales: Many scales
Alro Commercial System Ha Tex	5731	Log/finan disc of metal, 125x135x12 mm Front Scales: C = D Pound
Alro Computer Disc P 300 Series	0036	Other disc of plastic, 245x2.2 mm
Alro De Muiderkring	0050	Log/tech disc of plastic, 60x4 mm Front Scales: 1) 2) N2 N = N 3) 4) Back Scales: V1) V2) W1) W2) 5)
Alro De Muiderkring Large	5785	Generic disc of metal
Alro Den Haag	0043	Generic disc of plastic, 60x4 mm Front Scales: N2 N = N, Back Scales: N N3 tg sin
Alro disc	0058	Generic disc of metal, 125x135x12.4 mm Front Scales: C = D
Alro disc	0059	Generic disc of metal, 120 mm Front Scales: 1) = 2)
Alro Geluidsniveauverschil Van Gevels	0038	Technical disc of plastic, 134x159 mm (1981)
Alro Haaksbergen	0042	Generic disc of plastic, 60x4 mm Front Scales: N2 N = N, Back Scales: N N3 TG SIN
Alro Holland Ericsson	3406	Generic disc of plastic, 60x4 mm Front Scales: N2 N = N, Back Scales: N N3 tg sin
Alro Kipp Delft Holland	0046	Log/tech disc of metal, 98x5 mm Front Scales: C = D, Back Scales: 1) = 2)
Alro KLM Gasoline and Oil conversion factors	0047	Conversion disc of metal, 142x8 mm
Alro Laboratorium Voor Bloembollen onderzoek Lisse	0032	Other disc of plastic, 120x120x1 mm
Alro Lettergieterij	0048	Generic disc of plastic, 60x4 mm Front Scales: C = D, Back Scales: 1) 2) 3) 4)
Alro Lettergieterij Amsterdam	3520	Generic disc of plastic, 60x4 mm
Alro logo CJD	0034	Generic disc of metal
Alro Medisch Geneesmiddelen Interactie.	0039	Medical disc of plastic, 140x1.8 mm
Alro Military disc	0049	Military disc of metal, 132x8.5 mm Front Scales: tg sin-tg sin C1 0/00 1) C = D 2) A
Alro Philips Calender disc	0045	Calender disc of metal, 120x4 mm (1935) Front Scales: 1) = 2)
Alro Philips CJD	3080	Electrical disc of metal, 125x135x12 mm Front Scales: 1) 2) 3) = 4) 5) 6) 7) Back Scales: In lid: 8) 9) 10)
Alro Philips Telecommunication	0056	Log/tech disc of plastic, 60x4 mm Front Scales: 1) 2) N2 N = N 3) 4) Back Scales: 5) 6) = 7) 8)
Alro Prototype	0054	Generic slide rule of plastic, 294x36x6 mm Front Scales: 27cm / K A = B CI C = D L Back Scales: = S S&T T =
Alro Radio 04 - 2220 Small PTT	3411	Log/tech disc of plastic, 80x6 mm Front Scales: C L N2 N = N n l Back Scales: 1) C = Decibel
Alro Shell	0055	Log/tech disc of plastic, 185x3 mm (1962) Front Scales: 1) = 2) 3) 4) 5)
Alro Spoorweglawaai 922130	0093	Technical disc of plastic, 134x159 mm Front Scales: 1) 2) = 3) 4) 5)
Alro Tires	0027	Technical disc of metal, 120x135x12 mm Front Scales: 1) 2) 3) 4) = 5) 6) 7) 8) 9)
Alro type Go.A	0040	Generic disc of metal, 125x12 mm Front Scales: 1) 2) 3) 4) C = D 5) 6) 7) 8)
Alro Vaste en Beweegbare Bruggen	3425	Technical disc of bakelite/plastic, 135x6.5 mm Front Scales: Many scales, Back Scales: Many scales
Alro Vondelingenplaat	0057	Other disc of metal, 125x9 mm Front Scales: 1) = 2) 3)
Alro WeR2 and 4	0063	Generic disc of metal, 125x135x12.4 mm Front Scales: A C = D B Rec N3 log
Alro WeR2 and 5	2697	Generic disc of metal, 120x130x12 mm Front Scales: N2 N = N2 Rec N3 log