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Scientific American, Vol. 76, No. 15 (1897) (1897)
leaf 8
ractically in its center. The floor is sup- of Jackson Park practically every building of note, When the great object glass is in position, it is cer- ported by four cables 90 degrees apart, and is carefully leaving, as was fitting, the most substantial and archi- tain that the observatory will… … to the zenith, the partments, is due; © 1897 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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