Watchman's clock, with friction-tight pins, based on an invention of John Whitehurst of Derby; 8 day timepiece with chain fuse and anchor escapement.
Dial: Conventional silvered dial with roman numerals and blued steel spade hands. Behind this dial, a rotat¬ing silvered ring engraved with roman numerals for the hours and carrying 72 equally spaced friction-tight pins, that is one for each ten minutes. This is based on an invention of John Whitehurst of Derby.
Movement: 8 day timepiece movement with chain fusee and anchor escapement. Geared winding so that the square is in a bushed hole in the case below the dial. Fitted with a mechanism to depress any pin as it reaches the 12 o'clock position. An operating rod and plunger, now missing, were used to operate the pins from outside the building.
Case: Solid mahogany, flat-topped and with floral carving in mahogany on the lower front. 7 inch brass bezel arranged to be secured with a hasp and padlock on the left hand side. Recessed brass lifting handle on top of case. Height without handle 12 1/2 inches.
Height: 31.8 cm
Height: 12½ in
Method of acquisition: Bought
19th Century, Mid#
Production date: circa AD 1850 : probably
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The Fitzwilliam Museum (2024) "Watchman's clock" Web page available at: https://data.fitzmuseum.cam.ac.uk/id/object/167416 Accessed: 2024-02-20 23:27:41
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