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.
Announcing The Arco Radiator
Here is a colorful brochure from American Radiator in 1930 announcing the Arco Radiator. Thanks to Robert Reape for sharing this with us.
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