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.
Sarco Return Traps
Sarco made a boiler-return trap that was widely used back in the day. Here is their literature on the product, as well as the accessories that went with it. Thanks to Patrick Linhardt for scanning and sharing this with us.
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