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Old bellows thermostat
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Tinman
Member Posts: 2,808
Saw this in a church today on Chicago's north side near Wrigley. As far as could find, looks like it was invented in 1928 and patented in 1930. I came this close to making the pastor an offer.
Steve Minnich
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Comments
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What is that, a calibration key hanging there?0
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I’m not sure? Either that or a key to access the bellows?Steve Minnich0
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I hope that wasn't during services. 50° - Brrrrrrr8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab0 -
Haha! The sanctuary, where the stat is located, was empty. The offices and food pantry were loaded with people.Steve Minnich0
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