W. Plaskett Chronometer maker to the Admiralty. Retailed By Hayes
A good and very complete Marine Chronometer by this respected 19th century maker.
The single fusee chain driven movement incorporating automatic stop work,and Harrison type maintaning power. with Earnshaw type spring detent escapement. Having blued steel helical balance spring with cut bi metalic balance and auxiliary compensation. With finely turned pillars and double click blued steel set up ratchet and wheel with damask finishing to the plates. The silvered engraved circular dial with seconds ring at VI with up and down state of wind dial below XII, signed W Plaskett Maker to the Admiralty London and numbered 5370, with polished gold hands, blued steel seconds hand with state of wind hand. Having brass gymbal mounted bowl with glazed and threaded bezel having silvered sight ring. The nicely patinated brass bound three tier rosewood case of very good colour, with original surface. This clock further benefits from its original padded traveling box with original leather strap and original ratchet winding key.
William Plaskett born 1818 died 1899. Recorded as working at 12A Hertford place, Globe Road, Mile End E 1859. And 12 Alderney Road 1865-1898. He patented an air tight chronometer case in 1860. He devised an Auxiliary compensation giving a uniform rate. Many fine pieces known by him . Chronometer numbers 5222,5329,5398 and 5456 are known to have been made pre 1874 which dates this clock around the same time.