[D0204AAR], Letter from Robert Rafn to Thomas Alva Edison, September 4th, 1902
https://edisondigital.rutgers.edu/document/D0204AAR
Transcription
Berlin Sept 4 1902 To Dr. L. Sell. [illegible]. 22. Mr. Thomas A. Edison Orange N. J. Dear Sir: I have the pleasure of sending you, enclosed, a report on the present state of the German patent applications. The report is written by Dr. Sell, and myself. Yours respectfully Rob. Rafn.