are Fig. 32, in which it may be seen that the then fixed upon the periphery of a papier- convolutions are multiplied, and are held mache cylinder which is mounted so as to in their places by bolts through a star- rotate between powerful field-magnets shaped piece of brass which also serves and… … Parallelogram Coil from the Elphinston- so that the opposite poles of the field- Vincent Armature. magnets can be brought very close to- gether, and a very powerful field pro- chines the parallelograms of wire are so duced. The entire armature weighs only arranged that the overlapping ends lie 96…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
