Title
optical galvanometer
Identifier
ABDNP:200895c
Description
Squat, black plastic casing, with name of maker in brass and encircled by brass ring. 2 terminals, a clamp and free switch and a place for the power cable. Scale runs from -8 to +8 in 0.2 intervals, numbered every 1unit. Number on top.
Date
1939-1942
Format
length 166 mm; width 190 mm; height 85 mm
bakelite, brass
Coverage
London, England
Creator
Cambridge Instrument Company Co. Ltd.