[LB055483], Letter from Thomas Alva Edison to Sherburne Blake Eaton, February 13th, 1892
https://edisondigital.rutgers.edu/document/LB055483
Transcription
February 13, ‘92. Major S. B. Eaton, Edison Building, Broad Street, New York City. Dear Sir:- Re French Anticipation of Graphophone Patent for Striating Phonograph Cylinders. Agreeable to the request contained in your note of 12th instant, I enclose herewith copy of the French reference, about which I spoke to you, together with a tracing of the apparatus described. The reference in question is contained in No. 309 of “La Nature” (issue of May 3rd, 1879), a French monthly Scientific Review, published in Paris. The article is entitled “Les Lanes Parlantes de M. Lambrigot,” and is by E. Hospitalier; it begins on page 349 of the number mentioned. Yours very truly, Thomas A. Edison