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A microfilm reader is a device used in projecting and magnifying images stored in microform to readable proportions. Microform includes flat film, microfilm, aperture cards, microfiche, and ultra fiche. Using open reels or cassettes, microfilm is often used as a way to store many documents in a small space.
Microfilm viewers allowed operators to view microfilm and depending on model, print from microfilm. IBM 9921 Document Viewer Model I [15] [16] $300 USD list price; 18 + 1 ⁄ 2 in × 18 in × 25 in (47 cm × 46 cm × 64 cm) in size; 14 in × 15 in (36 cm × 38 cm) view screen; Capable of 16:1, 24:1, 30:1, 38:1 magnification
A microfilmer is a machine used by the document management industry to create microfilm.These machines are also often called "imagers" in the industry. A microfilmer is a camera that is used to photograph documents to create a more compact and permanent record of the original in the form of roll-film or microfiche.
Document imaging is an information technology category for systems capable of replicating documents commonly used in business. Document imaging systems can take many forms including microfilm, on demand printers, facsimile machines, copiers, multifunction printers, document scanners, computer output microfilm (COM) and archive writers.
Other microfilm reels will have a 'blip' system: small marks next to the images of varying lengths used to indicate document hierarchy (longest: root, long: branch, short: leaf). If the scanner is able to capture and process these then the image files can be arranged in the same manner.
The microfilm chip is most commonly 35mm in height, and contains an optically reduced image, usually of some type of reference document, such as an engineering drawing, that is the focus of the archiving process. Machinery exists to automatically store, retrieve, sort, duplicate, create, and digitize cards with a high level of automation.
SigmaScan Pro is an Image analysis package for scientists, engineers, and technicians that provides a method to measure distances across any object that can be photographed or scanned.
Pratt invented the Optigraph an early microfilm reader. This development led to the formation of the International Filmbook company to manufacture and sell microfilm reading equipment. An innovative approach to film reading was the use of cassettes that allowed for rotating the view of the film.