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The “A/C King *“ at work *Jr-High alias (13 yrs old) Evaporative cooling experiment in Mercedes, Texas; Summer 1957
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Building centrifugal fan housing for indoor A/C unit Frank Erwin foreground, Dad, in background 1958
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Charging 1st built-up A/C System. Cond. unit 1/3 hp Coke machine cooler. (R-12 refrigerant) 1958
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2nd generation A/C system with optional evaporative cooled condenser. 1960
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Built-up condensing unit - using Carrier belt-drive compressor from console room A/C - 1950’s era. (3/4 hp) R-12 refrigerant 1960
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Later generation of indoor A/C section using beltdrive fan to cool small bedroom next to garage on Cotton farm. Mercedes, Texas 1961
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