Inside Out Library

I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses (1904)

International Correspondence Schools · Scranton : International Textbook Co. · leaf 299

An illustration from I.C.S. reference library : a series of textbooks prepared for the students of the International Correspondence Schools and containing in permanent form the instruction papers examination questions, and keys used in their various courses, 1904, leaf 299
it upwards. Thelever having been depressed to its limit is again raised.This raises the piston, causes the piston valve to open, andallows the water above the piston to flow beneath it. Thepressure of the water below the ram promptly closes the ramvalve as soon as the piston commences to move… … Fig. 10. the space below the ram is closed by the ram valve, whichis kept tightly closed by the pressure of the water beneath § 6 MECHANICS OF FLUIDS. 13 it and also by the spring. Hence, in order to lower theram, this ram valve must be opened by some means. Aspreviously mentioned, the lever has a…

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