Steam engines; a thorough and practical presentation of modern steam engine practice (1917)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 13
water play over the surface of the vessel. When valve 1 wasopened, this vacuum drew water from below until the vessel wasfull. The valve was then closed and steam again admitted byvalve 2, so that on opening valve 3 the water was forced out throughthe delivery pipe C. The two vessels worked…
Steam-engines
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