Rings and brushes | Article about rings and brushes by The Free Dictionary
rings and brushes
rings and brushes[¦riŋz ən ′brəsh·əz]
An interference pattern produced by ordinary and extraordinary rays when a uniaxial crystal is placed between two polarizers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The entire purchase of new-design and replacement components cost about the same as what it would have cost to order the original carbon slip rings and brushes
from the overseas manufacturer, plus spares.