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.
Green Construction - Introducing Green Buildings & LEED® to Contractors
This is from Buildsmart of Vancouver, Canada about introducing Green Buildings & LEED® to contractors. Thanks to Geoff McDonell, P.Eng., LEED AP for sharing it.
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