Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 104
Fig. 5.—Controlling mechanism. Fig. 6.—Controlling mechanism. ber VI is full of compressed air, the valve F will be in theposition shown in the cut and no air can pass by it. When,however, the chamber m is depleted, the spring W forcesthe lever /; back and through the toggle reverses the valve[so…
Science · Technology · Meteorology · Patents
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