The Dominion model 624 was manufactured for Dominion Motors Ltd by General Radio Ltd in 1934.
6-valve broadcast band radio
Valves (6):
Frequency Bands: 1
Chassis Notes(most schematics can be clicked to download a full size version)
6.3V valves, probably 6D6, 6A7, 6D6, 6B7, 42, 80