[LB040115], Letter from Alfred Ord Tate to Samuel Insull, April 19th, 1890
https://edisondigital.rutgers.edu/document/LB040115
Transcription
April 19th, 1890 Samuel Insull, Esq., No. 44 Wall Street, New York City re operation of phonograph Dear Sir:- Replying to your letter of 16th instant to Mr. Edison, neither the latter nor myself can understand what the trouble is to which you refer. Some time when you are at the laboratory you can point it out on one of our machines, and we will then attempt to explain it. Yours very truly, A.O. Tate Private Secretary