Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 474
called theJielU plate, are pasted two quadrantsof varnished paper, 11, called the inductors. In front of the fieldplate is a revolving glass plate upon which are pasted equidistanttin-foil carriers, a a a a n n, having a flat metal button on thecenter of each. Two brushes of tinsel, C C, connected… … Fig. 3*9. metal rod, A B, has metal combs with pointed teeth attached to itnear each end. The central teeth of these combs are removed andreplaced by tinsel brushes. This rod serves as a conductor betweenth« two buttons on the same diameter, and may be called the neu-tralizing conductor. A second…
Physics
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