Vol. LXXVII.—No, ane NEW YORK, SEPTEMBER 11, 1897. [#399 A YEAR. EsTaBLIsHED 1845. WEEELY. BY NEVIL MONROE HOPKINS. of small dynamos is is the tooth type, but … 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…
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