Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 287
ayers of cylindrical6-inch tiles 2 feet long, breaking joints. The hot water passesup through a central pipe to four perforated arms that are madeto revolve by the discharge reaction. The water is thus sprayedover the tiles, down which it runs in thin layers, exposing an enor- * Lo: d^n… … SUCTION TAN^ Fig. 140.The fans must be large and run at low speed. The speed of thefans must vary with the temperature and humidity of the atmos- COXDEXSERS AXD AIR-PUMPS. 267 phcre, and a direct engine-drive proves economical. The waterlost per hour by evaporation in the tower = .8 of the…
Steam-engines · Heat-engines
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