Telephone Transmitter and Receiver
Description:
Patent for a telephone transmitter and receiver. The device is for lines "known as 'long-distance' telephones for the purpose of taking up the weakened vibrations and re-energizing them...transmitting them with increased volume" (line 12-15) illustration included.
Date:
June 30, 1903
Creator:
Sammons, Oliver P.
Partner:
UNT Libraries Government Documents Department