1959 Press Photo Thermoelectric Heat Pump Operation by Minnesota Mining Co - Historic Images

SKU: nee85354

1959 Press Photo Thermoelectric Heat Pump Operation by Minnesota Mining Co

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Thermoelectric heat pump opeartion can be described simply as electric current flowing through the pumping element transferring thermal energy from one junction to the other

Photo measures 11 x 8.75 inches.

Photo is dated 06



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