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Scientific American, Vol. 45, No. 19 (November 1881) (1881)
leaf 10
a bluish shade, either light the top of the cage, about two meters from the ground, and give out carbonic acid, like animals, while other plants or dark, may be given to the coating, which becomes very it was thought that the birds would avail themselves of it. absorb the latter and give out the… … THE CONDORS AND THEIB, YOUNG IN THE DRESDEN ZOOLOeiCAL GARDEN. ©1881 SCIENTIFIC AMERICIAN, INCPatented · Boiler · Pulp magazines · Rubber · Patents · Trade mark · Illustrated · Steam engine · Trade catalogs · Scientific American · Waste pipes · Low water · Superheated steam · Mayall rubber · Steam boiler · Engraving represents
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