Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 338
ent, takes the form of thermal energy and only 70 percent, takes the form of the desired kinetic energv. is 8600 H. P., or Sept., 1921.] Some Applications of Physics. 329 6300 kilowatts. If this had to be paid for at an electric light rateof 10 cents per kilowatt hour you can see that the cost… … tests of the compressors so that the Government has been calledupon to pay for only a small part of the power it has used. The apparatus now used for measuring the forces on the pro-jectile is illustrated in Fig. i. The projectile is attached by a steelspindle to a steel piston working in a…
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