s, requires a heavy cumbrous frame and may be employed may be of various kinds, but that which it bination with the rotating magnets, A. is now proposed to use, as most convenient for the purpose, shaft, To avoid this necessity, both the rotating and fulcrum Figs, 8 and 9 illustrate patent No.… … in various ways, but for illustration there are shown in the provement in sector electro-magnets. This improvement re- resisted by the longest cross section of the magnets them- lates to shaping the limbs of sector magnets in such wise selves,and thus just in the ratio that the magnets are en…
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