Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 145
DEI yoXS^ Fig. 105.—Two Cylindrical Tanks of Different Capaci-ties, Containing Water Under Pressure. A similar tank, B, has a capacity of 10 gallons of water undera pressure of 10 pounds per square inch, due to the piston.Neglecting the weight of the water, the pressure gauge willrecord 10 pounds… … 106.—Two Cells of Different Size but Having theSame E. M. F. of 10 pounds per square inch as before, thus requiring onlyten minutes to emjDty tank B. In both tanks the pressure andthe rate of flow are the same, but tank A will maintain the current ofwater tentimes aslong as tankB. NowconsiderFig.…
Electricity · Magnetism
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