Home My Radios Wireless Specialties

Former AT&T engineer, Greenleaf W. Pickard and two associates founded the Wireless Specialty Apparatus Company to market crystal radio detectors in 1907. The company produced radio receivers for the Navy in 1908. A notable contribution to the development
of crystal radio receivers was the development of the Perikon Detector developed by Pickard. Wireless Specialties Apparatus Co. produced a number of early receivers marketed by RCA. The company acted as a manufacturing resource for RCA of receivers developed by GE and Westinghouse any time they could not meet the production demands required by RCA.

Radiola IX
(click on thumbnail for more pictures)	Description Schematic Diagram	Battery Connections Service Notes
IP-503 Loading Coil
(click on thumbnail for more pictures)	Description Schematic Diagram	Battery Connections Service Notes
Wireless Speciality Appratus Type B Amplifier
(click on thumbnail for more pictures)	Description Schematic Diagram	Battery Connections Service Notes
Wireless Speciality Appratus SE-183A
(click on thumbnail for more pictures)	Description Schematic Diagram	Battery Connections Service Notes
Wireless Speciality Appratus IP-500
(click on thumbnail for more pictures)	Description Schematic Diagram	Battery Connections Service Notes
Wireless Speciality Appratus IP-501
(click on thumbnail for more pictures)	Description Schematic Diagram	Battery Connections Service Notes