vapour absorption-type refrigerator
11Evaporative cooler — An evaporative cooler, photographed in Rocky Ford, Colorado, used in the drier parts of the American West to provide economical cooling …
12Timeline of low-temperature technology — and cryogenic technology (Refrigeration down to (–150 °C, –238 °F or 123 K) and cryogenics [ [http://www.springerlink.com/content/k468837771683266/ Low temperature technology] ] Timeline1000s* 1000s Avicenna invented the refrigerated coil, which… …
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