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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. 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 ...

  4. Olympic symbols - Wikipedia

    en.wikipedia.org/wiki/Olympic_symbols

    The five rings on the flag represent the inhabited continents of the world (the Americas were considered as one continent and Europe was treated as distinct from Asia). It was made to contain the colours (blue, black, red, yellow, and green) which are common to almost all flags around the world.

  5. 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.

  6. 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.

  7. 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).

  8. Faiveley Transport - Wikipedia

    en.wikipedia.org/wiki/Faiveley_Transport

    Stone Faiveley pantograph in raised position on British Rail Class 86 25 kV AC Bo-Bo locomotive No.E3146 (later 86 017), London Euston, April 1969. France remained as Faiveley's core market. During the 1970s, the company introduced new corail coaches for the SNCF and provided equipment for a new generation of subway trains , the MF77.

  9. Physiognotrace - Wikipedia

    en.wikipedia.org/wiki/Physiognotrace

    A pantograph connected to a pencil produced within a few minutes a "grand trait", a contour line on a piece of paper. With the help of a second scaling-down pantograph, the basic features of the portrait were transferred from the sheet in the form of dotted lines to a copper plate, which had previously been prepared with a ground for etching.