National Physical Laboratory
Found in 1 Collection or Record:
Correspondence on chronometers, 1947 - 1953
Reference Code: GBR/0180/RGO 9/352
Scope and Contents Correspondence regarding the inspection, rating, supply and testing of service watches and other chronometers and clocks by the Royal Greenwich Observatory Chronometer Section, including the following items:Correspondence regarding the irregular rates of watches in submarines during 'snorting' at sea, 1952.Correspondence regarding tests with Ragasine oil carried out by the Chronometer Section for the International Watch Company, Schaffhause, Switzerland,...
Dates: 1947 - 1953
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- Subject: Time measuring instruments X