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Telegraph

In February 1837, Treasury Secretary Levi Woodbury called for information from the “most intelligent sources” to help prepare a report to Congress on the propriety of establishing a “system of telegraphs” for the United States. Of the 18 responses he received, 17 assumed that the telegraph would be optical and its motive power human. The only respondent to envision a different operating force was Samuel F. B.

Lincoln tells Grant to ignore peace rumors in 1865.national archives2007_3_7

Elsewhere in this issue we mention that the cell-phone revolution had its roots in military technology.

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