early part of his career, New Haven electrical engineer Franklin
M. Doolittle manufactured various radio components including:
100 Panel Type Receiving Set
102 Variable Condenser
105 Crystal Detector Stand
109 Duplex Gap manufactured in 1921
tuner manufactured in 1922
was a loudspeaker. It first advertised in 1922, though it
appears to be an updated model of Doolittle's earlier Amplifone.
The dimensions of this model were 11 x 16 x 9 inches. The
case was a polished mahogany cabinet.
manufacturing operations gave way to the ownership of Connecticut's
oldest radio station, WDRC in Hartford. It took to
the air on December 10, 1922 as WPAJ in New Haven.
for more on WDRC founder Franklin