The Philco model 612 was manufactured for Chas Begg & Co. Ltd by Dominion Radio and Electrical Corporation Ltd in 1952.
6-valve broadcast band table radio
Valves (6): 7B7, 7S7, 7B7, 7C6, 7C5, 5Y3GT
Intermediate Frequency: 455kc/s
Frequency Bands: 1
Chassis Notes(most schematics can be clicked to download a full size version)
Service information (Philco_-_model_612_-6V_BC_AC_-_1952_.pdf) here