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Gummere's Rule for Calculating an Eclipse of the Sun

 Collection
Identifier: HCS-001-043

Scope and Contents

This collection contains a single article titled “Practical Rule for Calculating from the Elements in the National Almanac, the Circumstances of an Eclipse of the Sun, for a Particular Place,” and dated March 6, 1835. The article begins with Gummere outlining the rule’s origin and where it was derived from, before giving the rule and providing examples. The final pages of the article contain reference tables for various necessary values.

Dates

  • Creation: 1835

Creator

Access Restrictions

The collection is open for research use

Use Restrictions

Standard Federal Copyright Law Applies (U.S. Title 17)

Biographical Note

John Gummere (1784-1845) was born in 1784 near Willow Grove, Pa., the son of Samuel and Rachel (James) Gummere. Gummere was a teacher, and taught at Horsham, Pa. (1803) and Westtown School (1808-1815), before opening his own school for boys in Burlington, N.J. (1815). He married Elizabeth Buzby in 1808, and the couple had 11 children: Elizabeth, Frances, George, Henry Deacon, John, Martha, Mary, Rachel, Samuel James, Susan, and William. In 1825, Gummere earned his M.A. from Princeton, and in 1833, he became a teacher at Haverford College, where he would later become superintendent. Among Gummere's published works were: "Treatise on Surveying," "Treatise on Theoretical and Practical Astronomy, and "An elementary treatise on Astronomy."

Extent

0.02 linear ft. (1 folder )

Language of Materials

English

Abstract

This collection contains a single article titled “Practical Rule for Calculating from the Elements in the National Almanac, the Circumstances of an Eclipse of the Sun, for a Particular Place,” and dated March 6, 1835.

Arrangement

Materials are arranged chronologically

Acquisition

Unknown

Related Materials

John Gummere day book (MC-975-11-013)

Processing Information

Processed by Cullen Worth, completed July, 2024

Title
Gummere's Rule for Calculating an Eclipse of the Sun
Status
Completed
Author
Cullen Worth
Date
July, 2024
Description rules
Describing Archives: A Content Standard
Language of description
English
Script of description
Latin

Find It at the Library

Most of the materials in this catalog are not digitized and can only be accessed in person. Please see our website for more information about visiting or requesting repoductions from Haverford College Quaker & Special Collections Library

Contact:
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Haverford PA 19041 USA US