Kelvin,White & Hutton, 11 Billiter Street, London.
English amboyna mantel chronometer, the case with bevel glazed panel to the top and sides, inset spirit level bubble, adjustable brass bun feet, cast brass bezel to the silvered dial with Roman numerals and signed Kelvin,White & Hutton, 11 Billiter Street, London. Numbered 641 to the centre of the subsidiary seconds dial, with state of wind indicator, brass stop/start button and blued steel hands. The eight day fusee and chain movement with maintaining power, substantial spotted plates with four double screwed pillars. The spotted escapement platform with helical hairspring, cut bimetal balance with circular balance weights, Earnshaw-type spring detent escapement.
Date circa 1928
Height 11 ins
Kelvin, White & Hutton are listed as working at 11 Billiter Street, London from 1904 to 1937. The firm was founded by William Thompson who later became Lord Kelvin. At age 21 he was offered the Professorship of Natural Philosophy at Glasgow University, a post he held for 53 years.
This superb precision eight day mantel chronometer was supplied to Kelvin, White & Hutton by the famous chronometer makers Thomas Mercer. They supplied many of the top clockmakers with their mantel chronometers, including Charles Frodsham and Breguet.