by super-heated water. In the earlier systems, the expanded into steam inside the reservoir. The conver- have been developed by the vaporization of a part of storage tank was charged with water at a temperature the stored water; and as successive volumes of steam sion occurs in the cylinder, where… … modification of the water- to about half its original COMPOUND CYLINDER. tube boiler, and is composed amount, three-quarters of the of a nest of tubes coupled original heat-units still re- into manifolds at the top and mained in the reservoir, and When a definite weight of water is converted into…
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