A fine brass-inlaid coromandel 8-day marine chronometer with Poole’s auxillary compensation.
The three-tier brass line-inlaid and mounted case with two recessed handles and a rectangular brass plaque numbered 9513. The hinged lid has a glazed observation panel, the brass gimbals with locking lever, and brass bowl with bevelled brass bezel. The 4 ¾ inch silvered circular dial has original gold spade hands, 8-day power reserve and subsidiary seconds. The movement has chain fusee and maintaining power, stoned plates, bi-metallic compensated balance with additional compensation, a blued steel helical spring with diamond endstone, an Earnshaw-type spring detent escapement and original brass tipsy key.
Height: 9 in (22.75 cm)
Width: 8 ¼ in (21 cm)
Depth: 8 ¼ in (21 cm)
* The firm of Alexander Dobbie was established in 1841 and they were makers of nautical instruments in 57 Bothwell Street, Glasgow. Following Alexander’s death in 1881, the company was renamed Alexander Dobbie & Son and in 1902 became Dobbie McInnes Ltd.
Tony Mercer’s Chronometer Makers of the World, London, 2004, lists Dobbie McInnes’ serial numbers with corresponding dates. Their output would date this to 1913/1914. The frame, subframe and bowl are each numbered 5332.HW5908