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  2. 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 ...

  3. Void pantograph - Wikipedia

    en.wikipedia.org/wiki/Void_pantograph

    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.

  4. Tamper-evident band - Wikipedia

    en.wikipedia.org/wiki/Tamper-evident_band

    When an aluminum or plastic bottle cap has an integral band, it is usually connected by thin bridges. They can be molded along with the cap or slit afterwards. [1] When unscrewing the cap, the frangible ring breaks: the ring can separate from the cap, and two separate pieces remain, the sealing piece and the leftover ring; or the broken ring can form a "pigtail" still attached to the cap.

  5. Pantograph (transport) - Wikipedia

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

    The diamond-shaped, electric-rod pantograph of the Swiss cogwheel locomotive of the Schynige Platte railway in Schynige Platte, built in 1911 Cross-arm pantograph of a Toshiba EMU. A pantograph (or "pan" or "panto") is an apparatus mounted on the roof of an electric train, tram or trolley buses [1] to collect power through contact with an ...

  6. Pantograph (lighting suspension) - Wikipedia

    en.wikipedia.org/wiki/Pantograph_(lighting...

    A pantograph is a commonly used overhead suspension system for lamps and audio and video monitors in television studios. It is also used on a smaller scale in many photography studios. Using either motor driven cables or a spring system, the pantograph can be balanced so that a light touch can readjust the height of the load (usually a lamp).

  7. Olympic symbols - Wikipedia

    en.wikipedia.org/wiki/Olympic_symbols

    When used in its five-colour version, these colours shall be, from left to right, blue, yellow, black, green, and red. The rings are interlaced from left to right; the blue, black, and red rings are situated at the top, the yellow and green rings at the bottom in accordance with the following graphic reproduction. Designed by: Pierre de Coubertin

  8. Fleischer ring - Wikipedia

    en.wikipedia.org/wiki/Fleischer_ring

    Fleischer rings are pigmented rings in the peripheral cornea, resulting from iron deposition [2] in basal epithelial cells, in the form of hemosiderin. [3] They are usually yellowish to dark-brown, and may be complete or broken. [4] The rings are best seen using the slit lamp under cobalt blue filter. [4] They are named for Bruno Fleischer. [5]

  9. Class ring - Wikipedia

    en.wikipedia.org/wiki/Class_ring

    A class ring in a ring case. This ring is made of white ultrium and contains a synthetic sapphire gemstone. [1] Damavand College class ring of 1975. In the United States and Canada, a class ring (also known as a graduation, graduate, senior, or grad ring) is a ring worn by students and alumni to commemorate their final academic year and/or graduation, generally for a high school, college, or ...