1857
Manuscript document
Title: General signals
Explains a secret numeric code to be used when transmitting signals between ships.
GLC00722.05
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.
Showing results 1626 - 1650
Showing results 1626 - 1650