A catechism of the steam engine in its various applications to mines, mills, steam navigation, railways, and agriculture. With practical instructions for the manufacture and management of engines of every class (1864)
Bourne, John · New York, D. Appleton & co. · leaf 72
—Marine engines are of two kinds,—paddle engines andscrew engines. In the one case the propelling instrument ispaddle wheels kept in rotation at each side of the ship : in theother case, the propelling instrument is a screw, consisting oftwo or more twisted vanes, revolving beneath the water at… … 56 THE GORGON ENGINE. ing engine (fig. 27), besides numerous other forms of enginewhich are less known or employed, such as the trunk (fig. 22),double cylinder (fig. 23), annular, Gorgon (fig. 24), steeple(fig. 25), and many others. The side lever engine, however, Fig 24.
Steam engineering · Steam-engines
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