Flame, electricity and the camera; man's progress from the first kindling of fire to the wireless telegraph and the photography of color (1901)
Iles, George, 1852-1942 · New York, Doubleday & McClure co. · leaf 90
apidly at commonatmospheric pressure that it quickly chills itself in the pro-cess. Of course this evaporation is swifter still when anexhausting-pump reduces the atmospheric pressure; andquite as important is the fact that, at comparatively mod- 66 THE BANISHMENT OF HEAT erate pressures, this… … Fig. i6. Refrigerator, Frick Co., Waynesboro, Pa. A^ ammonia; B, brine; C, engine, by turns exhauster and condenser. surface of the Hquid ammonia A. The resulting chill ofrapid evaporation is communicated to B, a tank filled withbrine—which remains liquid at temperatures below thefreezing-point of…
Fire · Electricity · Color photography
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
