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Air Ministry

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Correspondence on chronometers, 1947 - 1963

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Reference Code: GBR/0180/RGO 9/353
Scope and Contents Correspondence regarding the inspection, rating, supply and testing of watches, chronometers and clocks by the Royal Greenwich Observatory Chronometer Section, including the following items:Booklet on 'Balance and Spring' by R.A. Fell.Correspondence concerning quartz crystal chronometers supplied by the Seikosha Watch Company, Tokyo, Japan, 1963.Correspondence regarding the repair of mine clocks, 1962-1963.Correspondence regarding the historical chronometer...
Dates: 1947 - 1963

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  • Subject: Russia X
  • Subject: Time X
  • Subject: Time measuring instruments X