Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 304
ragebunker. From the ash bunker the ashes are delivered by gravityto cars outside the building. Forced Draft. Air for the boiler plant is supplied by forced draftfrom two engine-driven fans, the speed of which is controlled by anautomatic regulator controlled by the boiler pressure. When thelatter…
Electrical engineering
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