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  2. Carbonless copy paper - Wikipedia

    en.wikipedia.org/wiki/Carbonless_copy_paper

    Carbonless copy paper ( CCP ), non-carbon copy paper, or NCR paper (No Carbon Required, taken from the initials of its creator, National Cash Register) is a type of coated paper designed to transfer information written on the front onto sheets beneath. It was developed by chemists Lowell Schleicher and Barry Green, [1] as an alternative to ...

  3. Spirit duplicator - Wikipedia

    en.wikipedia.org/wiki/Spirit_duplicator

    A school newspaper published using a ditto machine in 1978. A hand-cranked spirit duplicator from the 1960s. The duplicator uses two-ply "spirit masters", also called "master sheets". The first sheet can be typed, drawn, or written upon. The second sheet is coated with a layer of wax that had been impregnated with one of a variety of colorants.

  4. History of paper - Wikipedia

    en.wikipedia.org/wiki/History_of_paper

    Paper is a thin nonwoven material traditionally made from a combination of milled plant and textile fibres. The first paper-like plant-based writing sheet was papyrus in Egypt, but the first true papermaking process was documented in China during the Eastern Han period (25–220 AD), traditionally attributed to the court official Cai Lun.

  5. Mimeograph - Wikipedia

    en.wikipedia.org/wiki/Mimeograph

    v. t. e. 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 . Mimeographs, along with spirit duplicators and ...

  6. Carbon paper - Wikipedia

    en.wikipedia.org/wiki/Carbon_paper

    A sheet of carbon paper, with the coating side down. Handwriting duplicated through carbon paper. Carbon paper (originally carbonic paper) consists of sheets of paper that create one or more copies simultaneously with the creation of an original document when inscribed by a typewriter or ballpoint pen. The email term cc which means ‘carbon ...

  7. Carbon copy - Wikipedia

    en.wikipedia.org/wiki/Carbon_copy

    A copy made with carbon paper. Before the development of photographic copiers, a carbon copy was the under-copy of a typed or written document placed over carbon paper and the under-copy sheet itself (not to be confused with the carbon print family of photographic reproduction processes). [ 1] When copies of business letters were so produced ...

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