force in mounted, must be exactly in the center of the ring and bend with rollers, but it will be seen that a powerful our bolts by using any of the following windings and pole pieces, or else it is very evident that the armature and useful dynamo can be quickly built on this plan currents. If we… … another method for regulation. For medical treatment Fig. 4. Fig. 7. currents of varying character may be had by using the dynamo as follows: First, by giving the fields strong This ring should be about % inch thick and 2% inches To lay off the marks for these important holes, the ring excitation…
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