1514

Marine chronometer, 2-day. Earnshaw spring detent escapement. Later balance oversprung with blue steel helical spring.

Object Details

ID: ZAA0135
Collection: Timekeeping
Type: Marine chronometer
Display location: Not on display
Creator: Arnold, John Roger; Frodsham, Charles
Date made: circa 1845
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 190 x 200 x 195 mm