Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 39
etic field. The important char-acteristic of this machine is its abilityto furnish current at increased voltageARMATURE as the load increases for it is clear fromprevious explanations that the greaterthe strength of the field current, thegreater the strength of the magneticfield from pole to pole.… … Fig. 26—Circuit of Series Wound D. C. Generator. switch or as may be done in the case of any type of generator, the voltage can beregulated by variation of the speed of the armature. The compound wound dynamo combines the desirable characteristics of boththe series and shunt wound machine, and it…
Telegraph, Wireless
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