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Early Work of the HCO under the Bond Adminstrations, 1848-1877, bulk: 1848-1866
Series Identifier: KG11365-6Scope and Contents:
This series contains astronomical observations and data calculations spanning the early history of the Harvard College Observatory from 1848 until 1877, though most materials date to the subsequent directorships of H.C.O. founder William Cranch Bond and then his son George Phillips Bond prior to his death 1866. Astronomers whose work is represented in this series include: William Cranch Bond, George Phillips Bond, Richard F. Bond, Benjamin Pierce, Charles W. Tuttle, Horace P....
Sidereal and Mean Time Clocks, 1856-01-01/1856-04-21 Digital
Item — Box 4Identifier: KG11365-6, phaedra0146Scope 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...