Microfilm is an analog storage medium for any type of paper documents, typically book, periodical, legal documents and engineering drawings. The film itself is a silver halide based film which once exposed is developed using a photographic process.
Microfilm comes in several different formats including 16mm, 35mm and the less used 105mm format. Each format starts as a roll of microfilm, that once developed, can be cut to create microfiche, and/...
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Microfilm is an analog storage medium for any type of paper documents, typically book, periodical, legal documents and engineering drawings. The film itself is a silver halide based film which once exposed is developed using a photographic process.
Microfilm comes in several different formats including 16mm, 35mm and the less used 105mm format. Each format starts as a roll of microfilm, that once developed, can be cut to create microfiche, and/or aperture cards.
Some microfilm media have an analogue indexing system built into edge of each image, but these information (called "blips") are used to create an, which is an index database for the roll and image location the of information.
The medium has numerous advantages:
The medium has numerous disadvantages:
Systems that mount microfilm images in punch card have been widely used for archival storage of engineering information.
For example, when airline demand archival engineering drawings to support purchased equipment (in...
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