American National Standard Specifications for Microfiches |
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11 inches accommodated American Library Association American National Standards ANSI aperture card C.E. Nelson cellulose acetate conform to Fig corner cut corner rounding crofiche D.C. Holmes Department of Defense distribution fiche distribution microfiche document's image double frame frame area frame boundary Frame Size Frame Sizes grid layout conform grid lines H.W. Ballou information area left corner Liaison Library Association magnification master microfiche micro Microcopy Resolution Test microfiche frame MICROFICHES PH5.9 Microfilm microform National Standard Specifications National Standards Committee National Standards Institute Nominal 4x6 original document PH5.9 AMERICAN NATIONAL Photographic polyester Q UJ ratio for documents reduction ratio reference corner Representation Vacant Resolution Test Chart SECTIONALIZING DOCUMENTS Sheet shown in Fig single frame SPECIFICATIONS FOR MICROFICHES Tab Card Test Target title area title backing title space trailer microfiche Type B2 UJ o UJ UJ UJ United States Department upright and right width