Search our collection

Clear all filters
Image
Category
Object type
Place
Date

Early ground radar transmitter, type TF3, made at Bawdsey 1936-1938

1936-1938
Early ground radar transmitter, type TF3, and five valves, made at Bawdsey, late 1936-1938. The TF3 used two NT46 or two NT57 silica radio valves to drive two more NT57 valves in a neutralised push-pull amplifier.

Early ground radar transmitter, type TF3, and five valves, made at Bawdsey, 1936-1938

1936-1938
Early ground radar transmitter, type TF3, and five valves, made at Bawdsey, late 1936-1938. The TF3 used two NT46 or two NT57 silica radio valves to drive two more NT57 valves in a neutralised push-pull amplifier.

Early ground radar transmitter, type TF3, and five valves, made at Bawdsey, 1936-1938

1936-1938