[D9225AAN], Letter from Edison General Electric Co Lamp Works, Francis Robbins Upton to Thomas Alva Edison, July 20th, 1892
https://edisondigital.rutgers.edu/document/D9225AAN
Transcription
Letterhead: Edison General Electric Company Harrison N.J July. 20, 1892 My dear Mr. Edison- I enclosed a sample of a tropical plant which has been sent to me. I would be pleased to have your opinion as to the value of this for filaments. This is for Mr. Meadowcroft Yours truly, [Signed Upton, Francis Robbins]