In the fabric section, a textile twisting and tearing machine and a Lissajou curve [sic] abrader (covering a complete area in overlapping curves) are supplemented by apparatus for evaluating waterproofness, fibre diameter and light-fastness.
Lissajou curve
Because it comes in colors ranging from green to red to purple, Mozarkite is often used in jewelry.
Inverse occlusion and a red filter are used and repeated Visuscope checks made to determine the state of fixation. The centroscope is found to be a useful device as an adjunct to orthoptic and pleoptic treatments.
Coordinate term: aesthetic
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