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Science Museum Group / The Clockmakers' Museum
© The Board of Trustees of the Science Museumum
Watch movement by John Arnold and Son, London, c.1787. Movement only, with no dial. Spring detent escapement with OZ balance. The original helical spring has been replaced by a flat steel spring with overcoil. Signed on backplate ‘John Arnold & Son London Inv. et Fecit 251/552’. Clockmakers' Museum No. 421
Details
- Category:
- Clockmakers
- Collection:
- The Worshipful Company of Clockmakers
- Object Number:
- L2015-3334
- Materials:
- brass (copper, zinc alloy), steel (metal) and diamond
- Measurements:
-
overall: 42 mm x 42 mm x 20 mm,
- type:
- watch movement and detent
- credit:
- Lent by the Worshipful Company of Clockmakers
