[LB056601], Letter from Thomas Alva Edison to William Dennis Marks, June 4th, 1892
https://edisondigital.rutgers.edu/document/LB056601
Transcription
June 4, 1892. Prof. Wm. D. Marks No. 909 Sansom Street, Philadelphia Pa. Dear Sir:- Your letter of recent date with enclosures was received and perused by e. I am highly pleased with the results of your work in Philadelphia and have sent your letter to the powers that be done. Yours very truly, Thomas A. Edison