Price
£1700.00This object is eligible for a Certificate of BADA Provenance
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Rare Tic-Tac Escapement Alarm.
A very rare mid 19th Century tic-tac escapement alarm in a nickle drum case. Unusual full plate brass movement with a single barrel powering both the alarm and going trains.
Plain cock with blue steel coqueret, plain three arm steel balance with blue steel spiral hairspring set in a circular aperture in the plate. Very rare tic-tac escapement where the English lever escape wheel acts directly on a polished steel roller on the balance staff.
The tooth of the escape wheel rests on the roller for most of the vibration, giving impulse only in one direction as a slot in it passes. Single hammer for the alarm striking on the side of the case which acts as a rudimentary bell.
Silvered dial with black waxed Roman numerals. Central alarm disk with waxed pointer, thumb piece at the back for adjustment. Single blue steel hand for the hours only. Nickle drum case with fixed glass.
Outer morocco slip travelling case, the top apparently lost.
Circa 1850.
Anonymous: A very rare form of escapement. It is surprising to find it used in a travelling alarm.
Dimensions
Diameter: 61 mm, Depth: 30 mmStock number
A9362The BADA Standard
- Since 1918, BADA has been the leading association for the antiques and fine art trade
- Members are elected for their knowledge, integrity and quality of stock
- Our clients are protected by BADA’s code of conduct
- Our dealers’ membership is reviewed and renewed annually
- Bada.org is a non-profit site: clients deal directly with members and they pay no hidden fees
