| 11. | Molded type commutators are not repairable and must be replaced if damaged.
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| 12. | The different brush types make contact with the commutator in different ways.
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| 13. | The first known electric locomotive was built in 1837 by chemist commutators.
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| 14. | The quantity is the bivector valued commutator product, given by
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| 15. | This Poisson bracket is replaced by a commutator upon quantization.
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| 16. | Multiple channel mercury swivel commutators are used for this purpose.
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| 17. | These commutators contained alternating segments which serve either as insulators or conductors.
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| 18. | In group theory, the commutator, ] } } is commonly defined as
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| 19. | Patina is also found on slip rings and commutators.
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| 20. | Later segmented commutators were used to produce direct current.
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