Early Tube Receivers
French Manufacturers

 

Ducretet "Piano" 6 valve 1923	Ducretet "Piano" 1925
G Carton c. 1924	G Carton c. 1924
A Hardy c. 1923	S.F.R. Radiostandard SG2 1923 Shown with Grammont Radiofoto type 209 Marine tubes
RIC  Shown with Grammont Radiofoto type VO tubes	Pericaud Isodyne 1925
AGR-1 c. 1923	J.H. Berrens B4 1925
Georges Oyer 1924	Lemouzy HD4 1924
G. Garton	Ateliers 4H8
Gody c. 1920's	Charron Detector and Amplifier 1921
Grammont Type F Receiver and Amplifier 1924	Gody four-valve receiver c. 1920's