Abstract
This International Standard specifies a method for measuring densities of first generation silver-gelatin microforms.
It specifies density values for different qualities of documents.
It applies to source document negative-appearing microforms.
It does not apply to microforms for technical drawings which are dealt with in Ïã¸ÛÁùºÏ²Ê¿ª½± 3272-2, or to diazo and vesicular
films which are the subject of Ïã¸ÛÁùºÏ²Ê¿ª½± 8126, or to COM microforms which are dealt with in Ïã¸ÛÁùºÏ²Ê¿ª½± 8514.
General information
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Status: PublishedPublication date: 1999-10Stage: International Standard confirmed [90.93]
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Edition: 3Number of pages: 2
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Technical Committee :Ïã¸ÛÁùºÏ²Ê¿ª½±/TC 171ICS :37.080
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