Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 337
^S hack the armature again • mak-ing the circuit so that the sameevents are repeated. The armaturevibrates continually as in an elec- tric hell, and the circuit is made;m! broken thousands of timesper minute. An invert inducedcurrent in the secondary corre-sponds with each •• mah of nri-mary,… … rw ma PAPtH TIN roiL PAPEft- Fig. 285 .—Detail of CondenserConstruetion. 4^Z
Electricity · Magnetism
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