Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Proof of Powder, tried on the Plan at West Point in June & July 1780, with a 5 ½ Inch Royal and a 24 Pound Ball

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Gilder Lehrman Collection #: GLC02437.00832 Author/Creator: Place Written: West Point, New York Type: Manuscript document Date: July 1780 Pagination: 2 p. : docket ; Height: 32.7 cm, Width: 21.1 cm Order a Copy

Lists amount of powder used and the range of the ball in feet and yards when shot.

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