umped from a five-gallon tank exactly this position, although the North Star approxi- through 3 main and 34 branch tubes and occasionally terminated at the center of the sphere, and conse- mates it. But this pole of the heavens is continually quently was of the same length as a radius. At noon… … with the main shaft P'. This motor is controlled by Pig. 2, connecting the sun and the center of the earth, Fig. 3. a liquid rheostat W, with an amperemeter and a safety would pass through a point on the equator. With the cut-off. Connected with a switchboard on the main gnomon set up at P having…
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