Rare Morton's Patent-type movement, circa 1863.
14-size three-quarter plate, hollow back fusee movement jewelled to the 4th, but with no jewels on the lever arbor, as usual. London Patent Robin-type escapement with lever-type escape and unlocking and chronometer-style impulse in one direction only, via a radial set jewel in the roller, banking is via a flat on the balance-staff. Compensation balance, spiral balance-spring. Enamel dial signed CHRONOMETER 2084. 43 mm, 8 mm deep, not including centre arbor.
London Patent Chronometer escapement, a development of George Morton's original Patent No 2434, October 1857. As development took place the watches are variously engraved, if at all: Morton's Patent; Morton's Patent Improved; Patent Chronometer; London Patent Chronometer; and finally Patent Union Chronometer, all numbered within the same sequence. See my recent Horological Profile on these Morton's Patent watches for full details.
Dial with faint hair crack at 6 and some small chips and lacking all hand and index. Otherwise complete and in good but dirty condition, plus a broken balance pivot. Not working.
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