[D9202ABO], Letter from Sherburne Blake Eaton to Thomas Alva Edison, July 19th, 1892
https://edisondigital.rutgers.edu/document/D9202ABO
Transcription
Received Jul 20 1892 Ans’d July 20 1892 New York City, July 19, 1892 Dear Mr. Edison: Can you tell me positively whether your Supplemental Laboratory and North American contracts were signed, whereby you gave them an additional year of your inventions? Kindly returned the annexed letter with your reply, and oblige, Very truly yours, S.B. Eaton