Letter from William Croswell to James Scott, 1803 November 1

One-page letter from Croswell to Captain James Scott, Master of the Boston Marine Society, that accompanied Croswell's work on lunar observations.

Memorial to the Academy of Arts and Sciences, 1826 April

Four drafts of a letters requesting support to reprint Croswell's 1791 Tables for Computing the Longitude by the Lunar Observations, with two related documents.

Memorial to the Academy of Arts and Sciences, 1828 April

Five drafts of a letters requesting support to reprint Croswell's 1791 Tables for Computing the Longitude by the Lunar Observations.

Annotated almanac, 1766

Almanac containing three laid-in pages with handwritten notes and a few sporadic corrections to the rising and setting times of the moon on the calendar pages. The three laid-in pages consist of a small scrap of paper with the weights of the family, and two folded pages with notes about a lunar eclipse on August 20, 1766.

Letter from James Winthrop to William Bentley, 1801 February 12

Two folio-sized leaves containing a one-and-a-half-page handwritten letter from Winthrop to Bentley discussing lunar tables, plans to publish, and a recent gem acquisition. The letter ends, "So Adams is OUT," referring to United States President John Adams's reelection defeat.