[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 122
d South poles. The magnets are built up ofplates of soft charcoal iron, which are shaped asshown in the diagram, and the magnet thus pro-duced is of such a form that it may be readilywound in a lathe. A non-magnetic bolt passes 120 ELECTKICITY AND ITS through a hole in each pole piece and the… … Figure i. The magnetic circuit is of unusually low resist-ance by reason of its shape, its shortness, which isshown by the diagram, and the superior quality ofiron used. RECENT APPLICATIONS. 121 There is no magnetism whatever in the frame,bed or shaft of the machine, as the magnets aresupported at…
Electricity
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