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  2. Rewriting - Wikipedia

    en.wikipedia.org/wiki/Rewriting

    A term rewriting given by a set of rules can be viewed as an abstract rewriting system as defined above, with terms as its objects and as its rewrite relation. For example, x ∗ ( y ∗ z ) → ( x ∗ y ) ∗ z {\displaystyle x*(y*z)\rightarrow (x*y)*z} is a rewrite rule, commonly used to establish a normal form with respect to the ...

  3. Spirit duplicator - Wikipedia

    en.wikipedia.org/wiki/Spirit_duplicator

    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.

  4. Pantograph - Wikipedia

    en.wikipedia.org/wiki/Pantograph

    Drafting pantograph in use Pantograph used for scaling a picture. The red shape is traced and enlarged. Pantograph 3d rendering. A pantograph (from Greek παντ- 'all, every' and γραφ- 'to write', from their original use for copying writing) is a mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical ...

  5. Photostat machine - Wikipedia

    en.wikipedia.org/wiki/Photostat_machine

    Among the most significant of them was the Blue process in the early 1870s, which was mainly used to make blueprints of architectural and engineering drawings. Stencil duplicators (more commonly known as "Mimeograph machines") surfaced in 1874, and the Cyclostyle in 1891. All were manual and most involved messy fluids.

  6. Cyclostyle (copier) - Wikipedia

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

    A Rotary Cyclostyle No. 6 duplicating press. French advertisement for the Gestetner Cyclostyle, circa 1900. 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.

  7. Transfer portal creates bedlam & head coaches funding NIL ...

    www.aol.com/sports/transfer-portal-creates...

    On today's episode of The College Football Enquirer, Dan Wetzel, Ross Dellenger and SI's Pat Forde unpack the latest chaos created by the transfer portal. Specifically, they cover Penn State ...