Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 300
Section of pipe ormoor grass. … Cross-section of bul-rush, Scirpus lacustris. gainful is the way in which tissue grows in the columns of dead-nettles and bulrushes. The bones in ones arms and legs resemblethe hollow cylinders of which these stalks show instructivevariations, so that without going beyond his own frame the…
Inventions · Inventors
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