[LB062319A], Letter from Thomas Alva Edison to J E Sullivan, March 13th, 1896
https://edisondigital.rutgers.edu/document/LB062319A
Transcription
Mar 13 96 J. E. Sullivan Esq- 241 Broadway- New York Dear Sir:- In reply to your favor of the 7th inst, I beg to state that I cannot do it. I am only working with the Roentgen Ray for purely scientific reasons, there being no money concerned Yours truly Thos. A. Edison R[andolph]