red mechanical effect. The method universally adopted to render the power of steamavailable for mechanical purposes is that of a solid piston movingfreely in a hollow cylinder in steam-tight contact with its sides.The steam is admitted alternately at one end and at the other, ofthe cylinder. When… … cylinder are closed by steam-tight covers, but proper openingsare provided for the alternate admission and escape of the steam 19. The cylinder is made of cast iron of adequate thickness andstrength. It is bored with the nicest precision, so that its innersurface is truly cylindrical and of uniform…
Steam-engines · Steam-navigation · Locomotives
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