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.
Thermal Stratification Performance of Underfloor Air-Distribution Systems
This is a report from the Center for Environmental Design Research regarding Thermal Stratification Performance of Underfloor Air Distribution (UFAD) Systems by T. Webster, Fred Bauman, M. Shi, and J. Reese. Thanks to Geoff McDonell, P.Eng., LEED AP for sharing it.
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