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Cylindrical slide rule
A Position line slide rule in black painted metal cylindrical casing with black plastic fittings and paper scales. There are four scales for calculating altitude, log, co-tangents, and log cosines.
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Object Details
| ID: | ACO1279 |
|---|---|
| Type: | Cylindrical slide rule |
| Display location: | Not on display |
| Creator: | Dennert & Pape |
| Date made: | circa 1940 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 310 mm; Diameter: 72 mm |