[LB039126], Letter from Alfred Ord Tate to New Jersey and Pennsylvania Concentrating Works, Henry M Livor, March 27th, 1890
https://edisondigital.rutgers.edu/document/LB039126
Transcription
March 27th 1890 H.M. Livor, Esq., No. 19 Dey Street, New York City Dear Sir:- I enclose herewith a letter received by Mr. Edison, from Mr. John L. Buckingham, of Hermosa, South Dakota, who owns a patent for the exclusive use of coal oil instead of water, in connection with the operation of rock drills. Mr. Edison would like you to test this process, and report to him the result. Yours very truly, A.O. Tate Private Secretary