Handbook of the steam-engine. Containing all the rules required for the right construction and management of engines of every class, with the easy arithmetical solution of those rules. Constituting a key to the 'Catechism of the steam-engine.' (1874)
Bourne, John · New York, D. Appleton · leaf 430
to that which would generate the velocity. Thismotion of the water above the surface constitutes the secondhalf of the beat of the pendulum which each ascending particlemay be supposed to be—the motion of the particle from the keelto the water-line being the first half of such beat. -But as,… … motion of the particle above the surface will be smaller in theproportion of the greater retarding force it there has to encoun-ter. This action will be better understood by a reference tofig. 48, where the parallelogram a b o d is supposed to be theside of a ship, w l is the surface of the water…
Steam-engines
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