Here are photos of a circa-1944 Perfex Series 155 Magic Dial Thermostat, as well as the instruction manual.
Corto Radiators
Corto, the Radiator Classic, was the creation of Louis Courtot - a French artist engineer long affiliated with the American Radiator Company. This radiator was meant to be refined and elegant. It occupied thirty percent less space than any other radiator of similar heating power at the time. This document contains more information, as well as Corto radiator ratings for steam and hot water. Thanks to Frank "Steamhead" Wilsey for finding and sharing this information.
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