WATSON, THOMAS (1854-1934). Photograph inscribed and signed ("Thomas A Watson"), n.p., n.d. [circa 1927]. 247 x 201 mm. (9¾ x 7 7/8 in.) including mount. A shoulder-length portrait of the assistant to Alexander Graham Bell (see lot xx), inscribed on the lower portion of the image: "Thomas A Watson Associated with Graham Bell in 1876 Made the first telephone Heard the first sound ever telephoned February 1 1927." Rare.