DescriptionRoyal time chronometer - Flickr - Tatters ❀.jpg
A Ship's Two-Day Marine Chronometer by William B. Crisp and Thomas Russell & Son, Maker to the Queen, London & Liverpool (made about 1865). The Royal Observatory, Greenwich.[1] Two-day marine chronometer with an Earnshaw-type spring detent escapement and a bimetal compensation balance. This chronometer was used on the Royal Yacht Victoria & Albert III (launched in 1899) together with another chronometer[2], and almost certainly on its predecessor, Victoria & Albert II (launched 1855).
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