[LB057269], Letter from Alfred Ord Tate to John F Ott, April 11th, 1893
https://edisondigital.rutgers.edu/document/LB057269
Transcription
April 11, 1893. Mr. John F. Ott, The Edison Laboratory, Orange, N. J. My dear Sir:- There is a picture somewhere in the Laboratory of the original phonograph now in the Kensington Museum. I want this picture for our exhibit at Chicago. Will you please have it unearthed and sent into me at this office. Your very truly, AO Tate Private Secretary.