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.
References in periodicals archive
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.