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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.

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General signals

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Gilder Lehrman Collection #: GLC00722.05 Author/Creator: Place Written: s.l. Type: Manuscript document Date: 1857 Pagination: 2 p. : Height: 32 cm, Width: 20 cm Order a Copy

Explains a secret numeric code to be used when transmitting signals between ships.

National Expansion and Reform, 1815-1860
Maritime
Navy
Military History
Africa
African American History
African Squadron
Codes and Signals
Age of Jackson

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