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 303
a cylinder, if thecylinder be cut across all the threads will be cut. A slice cutout of the cylinder will therefore contain a piece of each thread.But the threads, in the case of a screw propeller, answer to thearms, so that in every screw propeller the number of threadsentering into the… … A.—In that part of the run of the ship called the dead wood,which is a thin and unused part of the vessel just in advance ofthe rudder. The usual arrangement is shown in Jig. 48,which represents the application to a vessel of a species ofscrew which has the arms bent backwards, to counteract the…
Steam engineering · Steam-engines
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