Astronomical clocks -- United States.
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Sidereal and Mean Time Clocks, 1862-09-16/1866-03-02 Digital
FOUND IN:
Wolbach Archives, Wolbach Library, Harvard University
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Collection:
Harvard College Observatory observations, logs, instrument readings, and calculations
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Series:
Early Work of the HCO under the Bond Adminstrations
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File:
G1-8, also Ga, Gb: Relating to Clocks and Chronometers
Item — Box 4Identifier: KG11365-6, phaedra0151
Scope and Contents:
Directions for Absolute Time; Brief Ephemeris for locally-viewed stars for May 1865; Eclipse of Sun - End West Wing Equatorial; Timing output data and status information relating to a number of chronometric devices