Scottish-born scientist and educator who invented the telephone, founded the Bell Telephone Company, and invented various aids for teaching the deaf. Ink signature, “A Picture - Letter relating to Rain - fall by A. G. B,” adding “Thursday - at V. B.,” along the top, on an off-white 8.5 x 11 sheet, dated March 28, 1901. Triple matted with a photo of Bell demonstrating his telephone, to an overall size of 23.5 x 16. In fine condition, with intersecting mailing folds, slight fuzziness to the ink, and a pencil notation to lower left, slightly overlapping large paraph. LOA John Reznikoff/PSA/DNA and R&R COA.
