Samuel P. Langley Signed Letter as Smithsonian Secretary

Typed letter signed “S. P. Langley” as Secretary of the Smithsonian Institution, one page, 5” x 8”, February 26, 1895, on official Smithsonian letterhead. Addressed to Professor C. H. Winston of Richmond College, Langley acknowledges receipt of a letter and politely declines an invitation to lecture, citing the press of other duties.

A desirable signed letter from Samuel Pierpont Langley, noted American astronomer, physicist, and aviation pioneer, who invented the bolometer and served as Secretary of the Smithsonian from 1887 until his death in 1906. Langley is best remembered for his early aeronautical experiments with the “Aerodrome,” laying the groundwork for the Wright brothers’ success. 

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