"Inaudible" 1/2 minute impulse dial movement

"Inaudible" 1/2 minute impulse dial movement, patented 1919, Gent and Co. Ltd., Leicester, England, 1919-1925

Details

Category:
Time Measurement
Object Number:
1986-1552
Materials:
brass (copper, zinc alloy), copper (metal), steel (metal), plastic (unidentified) and gutta-percha
Measurements:
overall: 57 mm x 215 mm x 100 mm, Wt. 0.802kg
type:
impulse dial
credit:
Vaughan, D. (Dr.)