[LB059301], Letter from Thomas Alva Edison to Benjamin H Welton, January 20th, 1897
https://edisondigital.rutgers.edu/document/LB059301
Transcription
Jan 20th 97 B.H. Welton Esq. Port Huron. Mich. Dear Welton:- I am very sorry to say that it will be impissible for me to be there as at that time the Mill at Ogden will be in full blast, on a test and I must be present, at all times during the test. Yours truly Thos. A. Edison R[andolph].