arly show the position of the wire wire, the layer of oxide formed on the surface of the the iron wire to successive bendings in all directions to on the armature, and the inner and outer coils are red-hot metal has to be removed by passing it through break the scale of oxide. This was effected by… … layer of the first coil, the Fig, 4.-THE FIRST COIL ON ARMATURE. oval, by cylinders arrang- winding is continued, ed like those of universal forming the outer layer, D, on top of the inner layer, by for each reheating. The consumption of acid amounts plate rolls. The change of section does no harm…
Patented · Armature · Wire · Iron · Patents · Scientific American · Electric light · Armature core · Field magnet · Iron rings · Address munn · Express money · Sea lions · Armature shaft · Tent pole
Internet Archive · Public domain (published before 1931). Free to use for anything.
