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Scientific American, Vol. 74, No. 3 (1896) (1896)
leaf 4
aside. The idea occurred to me to ex- and many other analogous ones have the axis inde- ing it to spin. amine them in detail and to compare them, and, in do- These varieties do not differ in form only, but are pendent. To this second type belongs also the ‘‘acro- ing so, I was struck no less by the… … it (Fig. 26) the spring the top. is applied beneath, at the © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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