, in which the means of upon the glass tube. The remaining packing ring showing the wire. Under the loadstone isplacedasmall is placed on the end of the glass tube, the second communicating rotary motion does not appear on the cup filled with fine iron filings, and also in the field of the screen,… … ratus a glass wheel, provided with a brass rim, is Fig. 7.-EFFECT OF A HELIX ON SUSPENDED furnished with a shaft, which turns in a hole bored in PAETICLES OF IRON. the center of a thick glass supporting disk. The bra&s ings and removed, showing that it has no power to lift the filings; then while…
Illustrated · Color · Munn · Typhoid · Scientific American · Iron · Toll road · Rabbit skins · Typhoid fever · Horse power · Cast Iron · Young men · Express money · Mechanical drawing · Publication office
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