[D9211ADI], Letter from Alfred Ord Tate to John R Markle, Edison Light and Power Co (Michigan), September 10th, 1892
https://edisondigital.rutgers.edu/document/D9211ADI
Transcription
Sept. 10, 1892. Mr. John Markle, Edison Light & Power Company, [illegible,] Michigan. Dear Sir:- With reference to your letter of 27th ultimo in regard to the new 200 volt lamp, Mr. Edison says that it will not be long before they will commence manufacturing these; it is slow work to get ready. Yours truly, Private Sec'y.