H4's escapement had "a good deal of 'set' and not so much recoil, and as a result the impulse came very near to a double chronometer action"
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H4's escapement had "a good deal of 'set' and not so much recoil, and as a result the impulse came very near to a double chronometer action"
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-21 from Wikipedia. The archived copy is preserved so this citation survives link rot.