the carbons being fed in ‘**ynoon” shines but for the accommodation of visitors both directions, so that the arc is always in the center at the present time. It is as yet in somewhat of an ———_ s+ > oe COLUMBIA’S ARTIFICIAL MOON. line of the condensing lens. This construction is plainly… … Sat Spt — See — Se — Frees sired. Theobjective isso adjusted that the circle of lucent and affords sufficient light during the day- Fig. 1—-SECTION THROUGH GALLERIES IN WHICH light thrown upon the sphere does not come within time for reading, the electric lights being turned on PROJECTION LANTERNS…
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