[September 1, 1881. THE OPERATOR 336 For Telephone Transmitters. … FOR SALE BY I.i>L"W TELEGR^FH COMPANY, New York. "WESTERN ELECTRIC M'F'G CO., New York and Chicago. GILLILJ^lND electric M'F'G CO., Indianapolis.
Telegraph -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
