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  2. Polygraph (duplicating device) - Wikipedia

    en.wikipedia.org/wiki/Polygraph_(duplicating_device)

    Polygraph (duplicating device) 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 ...

  3. Galanthus nivalis - Wikipedia

    en.wikipedia.org/wiki/Galanthus_nivalis

    Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If ...

  4. Duplicating machines - Wikipedia

    en.wikipedia.org/wiki/Duplicating_machines

    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 They have now been replaced by digital duplicators, scanners, laser printers and photocopiers, but for many years they were the primary means of reproducing documents for limited-run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. The duplicator was pioneered by Thomas Edison and David ...

  5. List of medical roots, suffixes and prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_roots...

    falling, drooping, downward placement, prolapse Greek πτῶσῐς (ptôsis), falling apoptosis, nephroptosis-ptyal-, ptyalo: saliva, salivary glands, sialaden ptyalolithiasis-ptysis: spitting Greek πτῡ́ω (ptū́ō), to spit up, disgorge; + -σις (-sis), added to verb stems to form abstract nouns or nouns of action, result or process

  6. Photocopier - Wikipedia

    en.wikipedia.org/wiki/Photocopier

    A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply. Most modern photocopiers use a technology called xerography, a dry process that uses electrostatic charges on a light-sensitive ...

  7. Cyclostyle (copier) - Wikipedia

    en.wikipedia.org/wiki/Cyclostyle_(copier)

    The Cyclostyle duplicating process is a form of stencil copying. A stencil is cut on wax or glazed paper by using a pen-like object with a small rowel or spur-wheel on its tip. A large number of small short lines are cut out in the glazed paper, removing the glaze with the spur-wheel, then ink is applied.

  8. Spirit duplicator - Wikipedia

    en.wikipedia.org/wiki/Spirit_duplicator

    v. t. e. A spirit duplicator (also referred to as a Rexograph or Ditto machine in North America, Banda machine or Fordigraph machine in the U.K. and Australia) is a printing method invented in 1923 by Wilhelm Ritzerfeld that was commonly used for much of the rest of the 20th century. The term "spirit duplicator" refers to the alcohols that were ...

  9. Type B Cipher Machine - Wikipedia

    en.wikipedia.org/wiki/Type_B_Cipher_Machine

    Analog of the Japanese Type B Cipher Machine (codenamed Purple) built by the U.S. Army Signal Intelligence Service Purple analog in use. In the history of cryptography, the "System 97 Typewriter for European Characters" (九七式欧文印字機 kyūnana-shiki ōbun injiki) or "Type B Cipher Machine", codenamed Purple by the United States, was an encryption machine used by the Japanese Foreign ...