Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 68
Fig. 68—Cutler Hammer Type Field Rheostat. … 110VOLT DC Fig. 69—Fundamental Circuit of Rotary Converter. , The rotary converter shown in Fig. 69 has a single winding on one armaturefor both alternating and direct current, but the dynamotor of Fig. 70 has twodistinct windings (on the same armature) one to rotate it as a motor and theother for…
Telegraph, Wireless
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