polar extrem- making use of sound waves as in the Bell and other attached to the back piece is ity of the magnet to the other, and at the ends will forms of electrical telephones. arranged to direct a jet of air In the Lowth telephone the transmission is effected upon the vanes, and thus cause by… … perpendicular to the periphery of the armature. The Fig. lO.-MAGNETIZATION BY LOADSTONE. Fig. S. Fig. 6. iron representing the armature is cemented to a second ACTION OF CENTSIF1TGAL FOBCE ON LIQVIDS. plate of glass. The iron particles arrange themselves vibrations of the neck produced by the act…
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
Internet Archive · Public domain (published before 1931). Free to use for anything.
