e arc is always in the center at the present time. It is as yet in somewhat of an COLUMBIA'S ARTIFICIAL MOON. line of the condensing lens. This construction is plainly experimental stage of development, but will later on Two weeks ago we published an article on the new shown in Fig. 3, along with… … sired. The objective is so adjusted that the circle of lucent and affords sufficient light during the day- Fig. l.-SECTION THBOTTGH GALLESCES IN WHICH light thrown upon the sphere does not come within time for reading, the electric lights being turned on FBOJECTION LANTERNS ABE LOCATED. about 3…
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