Student mathematical notebook of Ebenezer Hill, 1785

This mathematical notebook of Ebenezer Hill was kept in 1795 while he was a student at Harvard College. The volume contains rules, definitions, problems, drawings, and tables on arithmetic, geometry, trigonometry, surveying, calculating distances, and dialing. Some of the exercises are illustrated by hand-drawn diagrams, including some of buildings and trees.

An Introduction to the chemistry of plant products / by Paul Haas, ... and TG. Hill, ... Vol. 2 : Metabolic processes.

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[Letter from Andrew Eliot to Alexander Hill, Newbury, November-December 1777]

One-page letter providing news about the Revolutionary War, including General John Burgoyne's arrival in Watertown, Mass., rumors of General Howe's army being taken prisoner, the success of General Stark, and the failed Rhode-Island expedition of 1777. Eliot also mentions the role of divine direction in the war.