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.
The Ideal Fitter: American Radiators & Ideal Boilers (1910)
The Ideal Fitter: American Radiators & Ideal Boilers was published by the American Radiator Company in 1910 and contains the boilers and radiators they manufactured at the time. To access this book online, click here.
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