Click on the picture for a larger view. American Bosch Ambotone Reproducer   Atwater Kent model E2   Atwater Kent Model H, 1924   Brandes Superior headphones, 1920's   Brandes Superior/Frost headphones in box, 1920's   Crosley Dynacone F   Eprad Drive-in speaker   Speaker from a garage sale   Jewett Radio and Phonograph Co.   Peerless Reproducer 7-A   Philco chrome remote speaker   Raleigh TS-30   RCA model 100, 1925   RCA model 100-A, 1926   RCA 103, 1927   Sonochorde Senior, c. 1927   Teletone   Tower Adventurer, c. 1927   Celluloid horn speaker, 1920's   Unknown box speaker, 1920's   Unknown cathedral speaker   Utah 30, c.1926   Zenith speaker, 1937