[LB056636], Letter from Alfred Ord Tate, Thomas Alva Edison to New Jersey and Pennsylvania Concentrating Works, June 9th, 1892
https://edisondigital.rutgers.edu/document/LB056636
Transcription
June 9, 1892. N.J. & Penn’s Concentrating Works, Ogdensburgh, N.J. Dear Sirs:- I beg to confirm the following telegram sent to you to-day by Mr. Edison:- “Are the other two screens running and how much extra output have you got? Answer: T.A. Edison.” Yours truly, A.O. Tate Private Secretary.