Assertion: alternator | /r/HasProperty | designed for use
Facets:
value: with arc lighting
type: OTHER
value: with electric motors
type: OTHER
value: for varying alternating-current frequencies
type: PURPOSE
Source sentences:
text: Later alternators were designed for various alternating current frequencies between sixteen and about one hundred hertz, for use with arc lighting, incandescent lighting and electric motors.
text: Later alternators were designed for various alternating current frequencies between sixteen and about one hundred hertz, for use with arc lighting, incandescent lighting and electric motors.
text: Later alternators were designed for varying alternating-current frequencies between sixteen and about one hundred hertz, for use with arc lighting, incandescent lighting and electric motors.