Contents and Arrangement

Observing Book with Rating of Howard Sidereal Clock, Meridian Circle Micrometer Data, 1927-1934

1 folder

Collection Overview

Collection Description & Creator Information


No arrangement action taken or arrangement information not recorded at the time of processing.

Collection History


Appraisal information was not recorded at the time of processing.


These papers were processed with the generous support of American Institute of Physics.

Processing Information

This collection was processed by Meghan Glass '01 and Gena Bursan Fall in Fall 2000 and Spring 2001. Finding aid written by Meghan Glass '01 and Gena Bursan Fall in Fall 2000 and Spring 2001. The Halstead Observatory Manuscript in Box 32 and Series 4 were added by Christie Peterson in June 2012. Additional folder in Series 4 processed by Annalise Berdini in May 2018.

During a survey of library collections in December of 2019, undescribed charts were found in the collection and added as Series 6 by Kimberly McCauley. Series 7 was added by Phoebe Nobles in 2022.

Access & Use

Conditions Governing Access

Collection is open for research use.

Conditions Governing Use

Single photocopies may be made for research purposes. For quotations that are fair use as defined under U. S. Copyright Law, no permission to cite or publish is required. The Trustees of Princeton University hold copyright to all materials generated by Princeton University employees in the course of their work. If copyright is held by Princeton University, researchers will not need to obtain permission, complete any forms, or receive a letter to move forward with non-commercial use of materials from the Mudd Library. For materials where the copyright is not held by the University, researchers are responsible for determining who may hold the copyright and obtaining approval from them. If you have a question about who owns the copyright for an item, you may request clarification by contacting us through the Ask Us! form.

Physical Characteristics and Technical Requirements

For preservation reasons, original analog and digital media may not be read or played back in the reading room. Users may visually inspect physical media but may not remove it from its enclosure. All analog audiovisual media must be digitized to preservation-quality standards prior to use. Audiovisual digitization requests are processed by an approved third-party vendor. Please note, the transfer time required can be as little as several weeks to as long as several months and there may be financial costs associated with the process. Requests should be directed through the Ask Us Form.

Credit this material:

Observing Book with Rating of Howard Sidereal Clock, Meridian Circle Micrometer Data; Astrophysical Sciences Department Records, AC157, Princeton University Archives, Department of Special Collections, Princeton University Library

Seeley G. Mudd Manuscript Library
Seeley G. Mudd Manuscript Library
65 Olden Street
Princeton, NJ 08540, USA
(609) 258-6345
Storage Note:
  • Mudd Manuscript Library (mudd): Box 6

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Other Finding Aids

Full text searching of this collection's archived website is available through the Archive-It interface.

Princeton University Dept. of Astronomy.
Dugan, Raymond Smith, 1878-1940
Spitzer, Lyman, 1914-1997
Stewart, John Quincy, 1894-1972
Young, Charles A. (Charles Augustus), 1834-1908