Print, Photographic

Sepia-toned photo of a radio transmitter, Type LSR designed by Bureau of Lighthouses, Washington, D.C.,Made by Tecla Company, Inc. Detroit, Michigan.
Date: 3-5-31,Serial No. 65. Photo stamped with 110489. Gauges labeled "Antenna current," "P.A. Plate Circuit," "Motor Current," "Filament Voltage", "Antenna Varometer", "Wave Change Switch", "Primary Varometer". Also motor switch, power switch and test lever labeled. M.O. Tank tuning instrument, filament voltage, motor speed, generator speed dials labeled. Terminals labeled on bottom hinged compartment. On verso "Tecla Company, Inc. 1507 Cass Ave. Detroit, Mich." and in very faded almost illegible blue ink is "Manning Bros." and faded letters with their address, Detroit, Mich.