Pre-balance-spring era watch movement by Thomas Tompion c.1671

Made:
1671 in London
maker:
Thomas Tompion

The Worshipful Company of Clockmakers/Clarissa Bruce
© The Clockmakers’ Charity

Pre-balance-spring era watch movement by Thomas Tompion, with a long screwed-on balance cock and worm-and-wheel set-up. A high quality fusee movement, with no pinion having less than 6 leaves. Signed 'Thomas Tompion, London' in flowing script c.1671

The application of a balance spring to a watch, which had the effect of greatly improving its timekeeping, was independently developed by both Robert Hooke and Christiaan Huygens, with Huygens patenting a watch with his design in 1675. Hooke denied Huygen's invention, claiming that he had devised it in London in 1658.

Hooke commissioned Thomas Tompion to make a watch containing the device, which was signed ‘R. Hooke invenit an. 1658. T. Tompion fecit 1675’.

All subsequent watches by Tompion contain a balance spring; this movement is very important as it is the only known watch by him of the pre-balance-spring era.

Clockmakers' Museum No. 39

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Science Museum: Clockmakers' Museum Gallery

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Details

Category:
Clockmakers
Object Number:
L2015-3114
Materials:
brass (copper, zinc alloy), gut and steel (metal)
type:
verge watch movement
credit:
Lent by the Worshipful Company of Clockmakers

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