The Philco model 671 was manufactured for Chas Begg & Co. Ltd by Dominion Radio and Electrical Corporation Ltd in 1953.
6-valve dual-wave radio, supports radio-nurse function (believed to be an extension microphone for a babies room).
Valves (6): 7B7, 7S7, 7B7, 7C6, 7A5, 5Y3
Intermediate Frequency: 455kc/s
Frequency Bands: 2
Chassis Notes(most schematics can be clicked to download a full size version)
Service information (Philco_-_model_671_-_6V_DW_AC_-_1953_.pdf) here