Base of case for slide rule

Base of case for slide rule, inside is a set of instructions on paper.

Object Details

ID: NAV0195.1
Type: Base of case for slide rule
Display location: Not on display
Creator: Unknown
Date made: circa 1939
Credit: National Maritime Museum, Greenwich, London
Measurements: Diameter:;Overall: 262 mm
Parts: Metal position slide rule (Slide rule)