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  2. Polygraph (duplicating device) - Wikipedia

    en.wikipedia.org/wiki/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 later suggested improvements ...

  3. Duplicating machines - Wikipedia

    en.wikipedia.org/wiki/Duplicating_machines

    Using letter copying presses, copies could be made up to twenty-four hours after a letter was written, though copies made within a few hours were best. A copying clerk would begin by counting the number of master letters to be written during the next few hours and by preparing the copying book. Suppose the clerk wanted to copy 20 one-page letters.

  4. Photocopier - Wikipedia

    en.wikipedia.org/wiki/Photocopier

    A Xerox digital photocopier in 2010. 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.

  5. Mimeograph - Wikipedia

    en.wikipedia.org/wiki/Mimeograph

    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.

  6. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    Feminine ordinal indicator, Degree sign: −: Minus sign: Hyphen-minus, Commercial minus: ×: Multiplication sign: X mark # Number sign: Numero sign. Also known as "octothorpe", "hash" and "hashtag sign" Pound sign № Numero sign: Number sign: Obelus: Division sign, Dagger, Commercial minus, Index ( ) Parenthesis: Bracket, Angle bracket ...

  7. US private payrolls gain slightly below expectations in November

    www.aol.com/news/us-private-payrolls-gain...

    WASHINGTON (Reuters) - U.S. private payrolls increased at a moderate pace in November, while annual wages for workers staying in their jobs edged up for the first time in 25 months.

  8. 'It could have been my son': Parents to protest over students ...

    www.aol.com/news/could-son-parents-protest-over...

    Parents have organized a protest at a Cracker Barrel in Waldorf, Maryland after special education students were denied dine-in service.

  9. Sharp downgrades to US unit labor costs bode well for ...

    www.aol.com/news/us-third-quarter-unit-labor...

    WASHINGTON (Reuters) -U.S. unit labor costs grew far less than initially thought in the third quarter, pointing to a still favorable inflation outlook even though price increases have not ...

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