NMA MS12 : 1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
01-01-1990
01-12-2013
Outlines ways of measuring image contrast, screen luminance and screen reflectance of microform readers that have translucent or built in opaque screens up to 46 x 61 cm (18 x 24 inches). Also outlines the type of instrumentation needed and dimensional units.
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