Inside Out Library · Explore
Scientific American, Vol. 23, No. 11 (1870) (1870)
leaf 0
on- length made toturn a wheel, derful demonstration that which carried an index the electric spark, which the vital periodicities of waking aud sleep, activity and rest, theless its history—its sequence of phenomena, the first hunger and satiety, the bursting forth and fall of foliage, the stage… … beginning this was not impulses, whic is done by only impossible, but un- converting a rotary into a necessary. In the primi- vibrating motion. The last the wheel is called the “scape wheel,” and, from its re- ture was sufficient for his needs. The bar, or © 1870 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 23, No. 11 (1870)
More like this
