HE INVENTED VARIOUS SOUND-RECORDING INSTRUMENTS AND IS KNOWN AS “THE FATHER OF THE TALKING MACHINE” (I.E., FATHER OF THE PHONOGRAPH OR RECORD PLAYER), INVENTED THE DICTAPHONE, AND ALSO KNOWN FOR HIS COLLABORATIONS WITH ALEXANDER GRAHAM BELL.
CHARLES SUMNER TAINTER (1854-1940) HANDWRITTEN LETTER SIGNED, “Very truly yours, Charles Sumner Tainter”, on a card 4.5 2.75, San Diego, Calif., July 4 – 1914, # 3609 – Sixth Street, by the American scientist, scientific instrument maker, engineer and inventor, best known for his collaborations with Alexander Graham Bell, Chichester Bell, and Gardiner Hubbard (Alexander’s father-in-law lawyer and financier), and for his significant improvements to Thomas Edison’s phonograph, resulting in the Graphophone, one version of which was the Dictaphone. He held a large number of patents. His handwritten letter, in full: “Dear Sir: Please excuse the long delay in answering your letter and returning this card. Your communications requesting my autograph was received in March, 1913, and I regret to say, got mislaid.” The letter is in fine condition and mounted on an acid-free card, with minor age toning.