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Scientific American, Vol. 77, No. 11 (September 1897) (1897)

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An illustration from Scientific American, Vol. 77, No. 11 (September 1897), 1897, leaf 0
nner, driving a machine described in the following article produces a make the armature with ten teeth, if of the tooth type; wave of electricity first in one direction, then in the " single phase " alternating current at 110 volts pressure, or, should we make a ring armature, the ring must be and… … erates the most ap- variably designed proved kind of alternating current for with more pole pieces than direct cur- medical purposes, as the voltage is rent machines, in order to get the re- steady; consequently furnishing a cur- quired number of reversals of the rent which is free from the jerking…

Armature · Honey · Bee · Munn · Bees · Scientific American · Wire · Mail catcher · Inch hole · Bee keeping · Sir john · Rag weed · Perspective elevations · White clover · Alternating current · Field magnets

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