Perfex Series 155 Magic Dial Thermostat
Here are photos of a circa-1944 Perfex Series 155 Magic Dial Thermostat, as well as the instruction manual.
Timkin Silent Automatic Oil Boilers
Quiet as can be. A nice ad from Timkin Silent Automatic Oil Boilers from back in the day. Thanks to John Mills for the scan, and for sharing it with us.
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