Inventor of both the electric telegraph and Morse code. ALS signed 'Saml. F. B. Morse,' one page, 4.75 x 8, October 4, 1870. Letter to John Carlin. In part, 'Enclosed is my check for ten dollars (10.) Mrs. Morses contribution to the silver wedding testimonial to her much loved friends...With my congratulations to them on the occasion, and kind regards to yourself.' Double matted and framed, with a portrait of Morse and an informational plaque, to an overall size of 16.5 x 14.5. In fine condition, with an area of toning to lower right corner of matte from a previous label. Accompanied by a certificate of authenticity from University Archives' John Reznikoff.