Chronograph.
Subject
Subject Source: Library of Congress Subject Headings
Found in 2 Collections and/or Records:
Chronograph Record, 1871 Digital
FOUND IN:
Wolbach Archives, Wolbach Library, Harvard University
/
Collection:
Harvard College Observatory observations, logs, instrument readings, and calculations
/
Series:
Variable Stars, Meridian Circle Work, and The Beginning of the Pickering Administration
/
File:
Time Service, Clock Errors, and Other Instrument Readings
/
File:
Chronograph Record
Item — Box 69Identifier: KG11365-6, phaedra1640
Scope and Contents:
See KG11366.871 and KG11366.872 for J1 and J2
Chronograph Record, 1871 Digital
FOUND IN:
Wolbach Archives, Wolbach Library, Harvard University
/
Collection:
Harvard College Observatory observations, logs, instrument readings, and calculations
/
Series:
Variable Stars, Meridian Circle Work, and The Beginning of the Pickering Administration
/
File:
Time Service, Clock Errors, and Other Instrument Readings
/
File:
Chronograph Record
Item — Box 69Identifier: KG11365-6, phaedra1641
Scope and Contents:
This series contains astronomical observations, data calculations, and administrative notes from the beginning of Edward Pickering’s tenure as Director of the Harvard College Observatory with the bulk of the materials dating from 1870 to 1905. The notebooks in this series feature early efforts in variable star analysis and meridian circle work, including HCO efforts to contribute zone measurements to contemporary revisions of the Bonn Durchmusterung. Additional records in this series...