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The 'Holy Bible' on microfiche was produced by the NCR Corporation using their 'PCMI® Microform' technique. The block of text on the sheet of film is 33x33 mm in size and contains the entire 1,245 pages of the 'Holy Bible'! The text can be read comfortably under a microscope at about 100x. Each page of double column text is about 0.5 mm wide and 1 mm high (shown in the first blow-up). Each text character is 8 um high (ie 8/1000ths of a millimeter). NCR note on the paper wallet which the microform comes in, that this is a linear reduction of about 250:1 or an area reduction of 62,500:1. This would correspond to the original text being ca.2 mm high.
To put this into perspective, NCR also note that if this reduction was used on the millions of books on the 270+ miles of shelving in the Library of Congress, then the library could be stored in six standard filing cabinets.
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