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Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by digital duplicators, scanners , laser printers , and photocopiers , but for many years they were the primary means of reproducing documents for limited-run distribution.
Duplicating in the year B.C. - Before (xerographic) Copies at the Wayback Machine (archived June 24, 2009) Making Copies from Carbon to Kinkos; Copies in Seconds (PDF) Antique Copying Machines at Officemuseum.com; Office and Reprographic Printing Cheatsheet – Preservation Self-Assessment Program
A mimeograph machine (often abbreviated to mimeo, sometimes called a stencil duplicator or stencil machine) was a low-cost duplicating machine that worked by forcing ink through a stencil onto paper. [1] The process was called mimeography, and a copy made by the process was a mimeograph.
While used units start around $70, those in mint condition or with original packaging can command prices upwards of $2,000, especially among retro gaming enthusiasts. 4. Atari 2600
A spirit duplicator (also Rexograph and Ditto machine in North America, Banda machine and Fordigraph machine in the U.K. and Australia) is a printing method invented in 1923 by Wilhelm Ritzerfeld, which was used for most of the 20th century. The term "spirit duplicator" refers to the alcohols that were the principal solvents used in generating ...
Haloid called the new copier machines "Xerox Machines" and, in 1948, the term Xerox was trademarked. Haloid eventually became Xerox Corporation in 1961. In 1949, Xerox Corporation introduced the first xerographic copier, called the Model A. [ 3 ] Seeing off computing-leader IBM [ 4 ] in the office-copying market, Xerox became so successful that ...
A Polygraph is a duplicating device that produces a copy of a piece of writing simultaneously with the creation of the original, using pens and ink. Patented by John Isaac Hawkins on May 17, 1803, it was most famously used by the third U.S. president, Thomas Jefferson , who acquired his first polygraph in 1804 and later suggested improvements ...
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