Thomas A. Edison Materials
Missing from Columbia University Rare Book and Manuscript Library
Letter:
Thomas Alva Edison: To Alberto B. Chandler, New York, 1 November 1883, a.l.s. 1 p. (with envelope).
Documents:
Samuel S. Laws. Patent assignment to The Gold and Stock Telegraph Company. 5 Oct 1869
Frank L. Pope. Patent assignment to The Gold and Stock Telegraph Co. 1 July 1870