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Chronograph.

 Subject
Subject Source: Library of Congress Subject Headings

Found in 3 Collections and/or Records:

Chronograph Readings, 1881 Digital

Item — Box 77Identifier: KG11365-6, phaedra1838
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...

Chronograph Record, 1880-05-27/1880-10-05 Digital

Item — Box 11Identifier: KG11365-6, phaedra0436
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...

Readings of Chronograph Sheets, 1879-02-15/1879-12-31 Digital

Item — Box 77Identifier: KG11365-6, phaedra1839
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...