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Scientific American, Vol. 56, No. 16 (1887) (1887)
leaf 7
ion is necessary, as the mineralogy afford attractive fields. In fact, one so shaped top, is stopped by the finger at the upper end, inclined cannot fail of finding objects of interest with beginner is generally unsparing of his eyes, using far while its lower end is inserted in the water in the… … seed of sorrel is shown atthe left, and portu- of perforated thin sheet metal, extending. © 1887 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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