stop-watch
- Museum number
- 1998,1101.5
- Description
-
MOVEMENT AND DUST-CAP OF A LEVER WATCH WITH STOP-LEVER.
Gilt-brass plates with turned pillars.
Gilt-brass barrel with ratchet and cick set-up on the back plate.
Fusee with chain and standard stop-work.
Harrison's maintaining power.
Four-wheel train; Licerpool 'window' jewelling.
Ratchet tooth lever escapement with Massey type II impulse roller.
Gilt-brass 3-arm balance with three timing screws.
Spiral balance spring; Bosley regulator.
Stop-lever detent now missing.
Dial-plate missing.
Dial missing. Blued-steel hour and subsidiary seconds hands. Minute hand missing.
Gilt-brass dust-cap with blued-steel slide lock; cap cut out for set-up wheel.
Case missing.
- Production date
- 1820-1840
- Dimensions
-
Diameter: 41.60 millimetres
-
Thickness: 15.30 millimetres
- $Inscriptions
-
- Location
- Not on display
- Condition
-
Latest: 3 (2017)
-
3 (Jan 2000)
- Acquisition date
- 1998
- Department
- Britain, Europe and Prehistory
- Registration number
- 1998,1101.5