[LB038167A], Letter from John Birkinbine to Thomas Alva Edison, March 4th, 1890
https://edisondigital.rutgers.edu/document/LB038167A
Transcription
March 5, 1890 My dear Mr. Edison:- I have a letter from Birkinbine under date 4th instant, from which I quote the following:- "I am working on the report of the water power of Port Deposit and expect to have it completed in about ten days." Yours very truly, A.O. Tate Thomas A. Edison, Esq., Charlotte, N.C.