[D9211ADV], Letter from John F Ott to New Jersey and Pennsylvania Concentrating Works, Thomas Alva Edison, September 14th, 1892
https://edisondigital.rutgers.edu/document/D9211ADV
Transcription
Sept. 14, 1892. Thomas A. Edison, Ewq., N.J. & Penn'a. Concentrating Wks., Edison, N.J. Dear Sir:= I enclose herewish a rough sketch, showing the positions of the parts of the Screening Machine. A drawing of this was mailed to Ogden last week and should have reached there are [ere] this. The scale of said drawing was an inch and a half to the foot. Yours truly, JOHN F. OTT. M.