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.

Adams, John Quincy, 1767-1848 Patent issued to Robert Dennis for improvement to steam engine (c/s Clay)

Order a pdf of this item here.

A high-resolution version of this object is available for registered users. LOG IN

Gilder Lehrman Collection #: GLC07020 Author/Creator: Adams, John Quincy, 1767-1848 Place Written: Washington, District of Columbia Type: Document signed Date: 1825/11/03 Pagination: 3 p. : Height: 37.3 cm, Width: 28.9 cm Order a Copy

Countersigned by Henry Clay. Joined with a yellow ribbon.

Adams, John Quincy, 1767-1848
Clay, Henry, 1777-1852

Citation Guidelines for Online Resources