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Scientific American, Vol. 26, No. 26 (1872) (1872)
leaf 4
ves rise to a strong down- 202,562 members, of whom 102,174 were permanent and 100,- fern leaves; the analogy between crystals and growing plants ward current. These two currents are seenin every reaction 388 temporary. The number of persons supported by the is a most superficial one, but it is… … © 1872 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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