The Bell 7TW was manufactured by Bell Radio-Television Corporation Ltd in about 1961.
7-transistor 9V battery mantle radio.
Chassis looks almost identical to the Bell Colt 'All Transistor'
Valves (7 transistors, 1 diode): Either: OC44, OC45, OC45, OA10, OC70, OC71, OC72, OC72
or: 2N412, 2N410, 2N410, Signal Diode, 2N406, 2N408, 2N408, 2N408
or: 2SA30, 2SA31, 2SA31, ?, 2SB32, 2SB33, 2SB33, 2SB33
Lineups to be confirmed, schematic is not clear
Intermediate Frequency: 475kc/s
Frequency Bands: 1
|1961||Bell Colt All Transistor|
|1961||Bell 7TW - this set|