1927 Typed Letter Signed Elmer A. Sperry on the Letterhead of The Sperry Gyroscope Company Manhattan Bridge Plaza Brooklyn, N.Y.
Brooklyn, New York: Not Published, 1927. Typed Letter Signed. Typed single page, on the company letterhead; dated November 25, 1927 and addressed to James H. Post (1859 - 1938) American sugar refining financier, philanthropist, and civic leader who directed an industrial empire in sugar; Sperry congratulating Post on his receiving.....