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 328
ston. The piston is now pushed down, the valve P closes, thevalve V opens, and the air in C escapes. The lowervalve V is sometimes supported, as shown in Fig. 19, by ametal rod passing through the piston and fitting it some-what tightly. When the piston is raised or lowered, thisrod moves with it.… … Fig. 20. 42 MECHANICS OF FLUIDS. § 6 in Fig. 20, communication between receiver and pump ismade by means of the tube t. 61. Degrees and Xiimits of Exhaustion.—Suppose thatthe volume of R and / together is four times that of C,Fig. 19, and that there are, say, 200 grains of air in R and /,and 50…
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