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Guide to the Naval History Society Collection
1721-1995 (bulk 1781-1936)
  MS 439

New-York Historical Society
170 Central Park West
New York, NY 10024
Phone: (212) 873-3400


New-York Historical Society

Collection processed by Processed by Celia Hartmann.

This finding aid was produced using the Archivists' Toolkit on May 29, 2018
Description is in English.

Container List

Series 33. Navigation Notebook (circa 1721)

Scope and Content

The collection consists of a single hand-lettered volume of mathematical algorithms for navigation and astronomical tables, including a chart with a rotating paper dial known as a volvelle for calculating "full sea" and one for calculating dominical letters (an aid to determining Sundays in any particular year, and especially the date of Easter) from 1705 to 1735. The latter is colored with a paint that has patinated to green. No author or date of production is evident for the volume as a whole. One entry dated 1721 mentions orientation using Philadelphia landmarks including Joseph Redman's wharf, Society Hill, and the Delaware River. The volume is written from both sets of covers, each bearing the bookplate of John Sanford Barnes. At one end is also a bookplate that reads "C.C. Elwes" and bears a heraldic emblem of five arrows encircled by a snake. On that end leaf are also written the names "Sam'l Howell" and "John Thom."

Container 1     Title Date
Volume: 1 Astronomical and navigational tables
circa 1721

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