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.
Bring Comfort and Convenience to Your Home with a Utica Heating System at Reasonable Prices
Here is an informational brochure about the Utica Heating system from The Royal Heating Company that appeared in 1938. Thanks to John Mills for scanning it and sharing it with us.
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