Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 319
^ interesting, the minute heart being made clearlyvisible by the transparency of the shell of this little creature. Fig. 306. … Kents Trough for showing the Circulation of Blocd in a Fishs Tail. The circulation of blood in a frogs foot may be shown bystretching the foot so as to distend the web, as shown inFig. 305. One form of apparatus consists of a thin, aper- MICROSCOPY. 297 tured piece of wood, provided with a glass…
Physics · Lantern projection · Electric apparatus and appliances
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