SLIDE  RULE 
CATALOGUE   “ L I T E “
 
 
 
| NAME | MATCH | DESCRIPTION | 
| Napier set of blocks | Generic blocks of all wood | |
| National Foundation
  Depth Calculator | Log/tech slide chart of
  plastic, 217x108x1.6 mm  (1992) | |
| Natrilix Cardiovascular Risc Calculator | Medical disc of plastic | |
| Nautical Scale of Power and Speed | Nautical slide rule of all wood, 360x94x11 mm  | |
| Nautical Tek. no. 3460  116 | Nautical slide rule of perspex/aluminium, 322x54x16
  mm  | |
| Navigational Computer MK. III H REF. no. 6B / 250 | Aviation disc of metal/bakelite, 135x155x26 mm  | |
| Navy Department Drift Angle Computer Device 1-CH-1 | Aviation disc of plastic, 110x2 mm  | |
| NBC voorspellingsset NSN 6665 13 108
  7501 and 6665 13 108 7097 | By Memento NBC, log/tech disc of plastic, 102x2.5
  mm  (1973) | |
| Nederlandse
  Benzolmaatschappij | By NBM, technical slide
  chart of cardboard, 155x176x1.2 mm  | |
| Neolt 25 R Bergamo Italy Rietz | Generic slide rule of wood/plastic, 292x39.5x12 mm  | |
| Neolt TS 10 | Generic slide rule of plastic, 120.5x25x2.5 mm  | |
| Newton slide rule to calculate Ax3+Bx2+Cx=D | Mathematics slide rule of wood/plastic, 350x206x12
  mm  | |
| Nicholl App. Obs of Fire Mk VI | Military slide rule of aluminium/brass, 405x35x6
  mm  (1918) | |
| Night Photographic Flash Sighting Angle and Release
  Distance Computer 6B / 3132 | Aviation disc of metal, 180x6 mm  | |
| Nomo Type 0 | Disc | |
| Nomus SKF
  Rollenlager | Technical slide chart of
  plastic, 260x65x2.8 mm  | |
| Noralem
  Industries Regle a Curseur | Technical slide chart of
  cardboard, 300x100x1.5 mm  | |
| Norelco Miles per gallon and Twenty three year
  calender | Log/tech disc of metal, 42.5x1.4 mm  (1955) | |
| Norma 100 Gambrinus | Log/tech disc of plastic, 106 mm  | |
| Norma 100 Grafia | Log/tech disc of plastic, 106x6 mm  | |
| Norma 190 Gambrinus | Generic disc of metal, 190x5 mm  | |
| Normus NT 62 J.
  Eberspächer Glasdachwerk System Huber (IWA) | Log/tech slide chart of
  cardboard, 243x91x1.7 mm  | |
| Normus NT 71a
  Eisenbetonplatte System Huber (IWA) | Log/tech slide chart of
  cardboard, 245x91x1.5 mm  | |
| Normus- Schieber
  Nussbaum No. 2/7 (IWA) | By IWA, log/tech slide
  chart of cardboard, 220x70x1 mm 
  (1924) | |
| Norton
  Rekenschijf voor Slijp- en Polijstschijven | Log/tech disc of plastic, 149x87x1 mm  | |
| Novotni Slide Rules Weight Slide Rule | Log/tech slide rule of wood/plastic, 354x64x6.5
  mm  (1959) | |
| Novotni Weight Slide Rule | Log/tech slide rule | |
| Nuclear Yield M4A1 | Military disc | |
| Ohico Electro 15 | Electrical slide rule of wood/plastic, 280x36x11 mm  | |
| Ohico System Rietz | Generic slide rule of wood/plastic, 278x36x11 mm  | |
| Opstalan
  Schuifmetertje Benzineverbruik | Technical slide chart of
  cardboard, 159x50x0.7 mm  | |
| Orgelbau
  Fachverlag System Rensch (Organ) | By Mensur, music slide rule of plastic, 395x92x2.5
  mm  (1986) | |
| OTK  PRK 69 | Military disc of plastic, 240477x16 mm  | |
| OTK no 1 Russian | Military slide rule of wood/plastic, 550x44.5x9
  mm  (1970-1981) | |
| OVVM
  thuis-taxateur | Disc |