The Bell model 1 was manufactured by Bell Radio-Television Corporation Ltd in 1952.
The Model 1 was the first portable under the Bell brand, and replaced the Antone portable set.
Intermediate Frequency: 462kc/s
Chassis Notes (most schematics can be clicked to download a full size version): Uses a selenium rectifier which may need bypassed with a modern diode (and possibly a resistor to reduce the H.T. voltage) in sets today.