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  2. Void pantograph - Wikipedia

    en.wikipedia.org/wiki/Void_pantograph

    Example of a void pantograph pattern before (left) and after (right) the document has been photocopied. In security printing, void pantograph refers to a method of making copy-evident and tamper-resistant patterns in the background of a document. Normally these are invisible to the eye, but become obvious when the document is photocopied.

  3. 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 ...

  4. 60 Cute and Spooky Printable Halloween Pumpkin Stencils - AOL

    www.aol.com/lifestyle/60-free-printable-pumpkin...

    For design inspiration, we put together 60 free, printable pumpkin carving stencils. With so many to choose from, there’s a stencil to fit every carver’s vision.

  5. Microprinting - Wikipedia

    en.wikipedia.org/wiki/Microprinting

    Using gold nanoparticle inks on a glass substrate, scientists concluded that it was possible for them to control the production of print patterns to a scale of 2 microns. After printing, the nano-particle ink suspension was heated using a Gaussian laser ; as it heated, the glass would expand due to the thermal conductivity of the gold nano-ink.

  6. Spirograph - Wikipedia

    en.wikipedia.org/wiki/Spirograph

    Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.

  7. Pantograph (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Pantograph_(disambiguation)

    A pantograph is a mechanical connected linkage of a writing instrument, like a pen, such that the movement of one pen, in tracing an image, produces identical movements in a second pen. Pantograph may also refer to: Pantograph (lighting suspension), an overhead lighting system used in television and photography

  8. Pantographic knife - Wikipedia

    en.wikipedia.org/wiki/Pantographic_knife

    A pantographic knife or paratrooper knife is a folding knife whose blade is opened by a unique scissors method. The blade has a slightly longer tang than a folding knife heel.

  9. Keypunch - Wikipedia

    en.wikipedia.org/wiki/Keypunch

    Characters were printed using a 5 × 7 dot matrix array of wires; the device from which it derived the shape of the character was a metal plate, called the "code plate," with space for 1960 pins (35 pins times 56 printable characters). If the dot was not to be printed in a given character, the pin was machined off.

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