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ITEM — Box: 4 Identifier: KG11365-6, phaedra0146

Sidereal and Mean Time Clocks, 1856-01-01/1856-04-21 Digital

Scope and Contents

Comparisons by 12MT- Comparators -1107 and 1508; Comparison of chronometers with MTC - by aid of 6hr; Comparisons with comparator No. 1508; 1855 June 5th Last comparison before embarcation; Direct comparisons; Comparison of chronometer Thomas Adams No 3585;Comparator Y (No. 1107 -)(copied from the paper found in the top); Sidereal Chronometer No. 3585; Errors of Chronometers on Greenwich M.S.T.; Notes documenting return of specific chronometers following examination; Direct comparison of chronometers on Tuesday before they were put on board the Africa; Coast Survey Chronometric Expedition


  • 1856-01-01/1856-04-21



120 cubic feet (120 boxes)
2531 Volumes

KG Number:


Sequence volume:



William Cranch Bond, George Phillips Bond, Philip Sidney Coolidge, Richard F. Bond, Charles W. Tuttle, J.F. Flagg

Repository Details

Part of the Wolbach Archives, Wolbach Library, Harvard University Repository

Harvard-Smithsonian Center for Astrophysics
60 Garden Street
Cambridge MA 02138 United States