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Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)

American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 275

An illustration from Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing, 1908, leaf 275
air by centrifugal action, away from the center of the shaft. Tliecasing is so designed that the blades cut off as it were at the top ofthe main outlet, the air being thus forced through the blast pipe. Thecurrent of air is continually being drawn into the fan through the cen-tral opening around… … Vi. 1(10. Pressure Blower. 3,750 revolutions per minute gives 0 ounces pressure; a 30-inch, at2,900 revolutions per minute gives 10 ounces pressure; a 4S-inch, at2,000 reolutions per minute gives 14 ounces pres.sure. Since air is very elastic, anc the pressure in this case dependsentirely upon the…

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