Scottish-born scientist and educator who invented the telephone, founded the Bell Telephone Company, and invented various aids for teaching the deaf. Brief LS, one page, 3.5 x 2.5, August 29, 1911. Letter written from Beinn Bhreagh, with Bell complying with an autograph request. In full, “It gives me pleasure to send you my autograph attached to this note.” Boldly signed at the conclusion in black ink, “Alexander Graham Bell.” Accompanied by the original mailing envelope from Beinn Bhreagh. In very fine condition. COA John Reznikoff/PSA/DNA and R&R COA.