Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
uids, the following formula :The force is to tlie resistance as the area of the piston receiving theforce is to the area of the piston acting upon the resistance. Or, substituting power or P, for force; and lueight or W, for resist-ance; and power pistoji for the area of the piston on which the… … 109. Figure 14.—The hydrostatic press.—This press isextensively employed for exerting immense force through short dis-tances. Instead of using a high column of water to obtain pressure on thepower piston, for convenience a lever force-pump is employed. N YL is a strong frame of wood or iron, and I…
Physics · Astronomy
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