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Spirit duplicator - Wikipedia, the free encyclopedia
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Duplicating machines - Wikipedia, the free encyclopedia
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But, spirit duplicators are one item that has experienced a total reincarnation. Spirit duplicators, aka Ditto machines, were invented in 1923 and were the predecessor of the copy machine.
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Ditto: The trademark name of a line of hectographic duplicators and supplies manufactured by Ditto, Inc." (Doss 29). ... The spirit duplicator is sometimes referred to as a Ditto machine because for "rotary spirit duplicators, the best known of which were produced by the Ditto Co." (Owen 47).
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The Museum promotes research on the evolution of early office technology based on original documents and artifacts and disseminates information about the history of office equipment ... Antique Copying Machines; ... ; ; Left: Victoria copying machine, Le Bureau Moderne, 1913. Right: Minolta's update on copying...
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Supplies for Digital Duplicators ... Many a school child has been tested on copies produced by our Spirit (ditto) Duplicators built in the last century. Today we offer supplies for Digital Duplicators.
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“Beginning in 1910, Ditto, Inc., sold gelatin duplicators that were essentially large mechanical versions of the Daus Tip-Top Duplicator pictured to the right. The Ditto process could be used for up to 100 copies.
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