I scoured the radio and came up with the following information
There is plate ont he back with the following information;
Rogers Model 400
Serial Number 5351
Standard Radio Mfg Corp. Ltd.
Toronto Canada
Licensed by Canadian Radio Patents Ltd.
Only for the non-commercial reception of public radio telephone broadcasting
Patented 1914, 1916, 1917, 1918, 1921, 1922, and 1924
On the Power Supply it says;
Rogers Model 400
Serial Number 5351
Voltage 110 Freq. 26-60
Standard Radio Mfg Corp.
Toronto Ontario
Cabinet by McLagan
on the front is a small plate that says;
Rogers Batteryless A/C
Incidentally, the scale on the tuner starts at 0 and ends at 100 – it does not have the AM scale we are used to…
Andy