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  2. 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 ...

  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. Third rail - Wikipedia

    en.wikipedia.org/wiki/Third_rail

    An accident occurred in the UK when a Eurostar driver failed to retract the pantograph before entering the third-rail system, damaging a signal gantry and the pantograph. On 14 November 2007, Eurostar's passenger operations were transferred to St Pancras railway station and maintenance operations to Temple Mills depot, making the 750 V DC third ...

  5. Five-bar linkage - Wikipedia

    en.wikipedia.org/wiki/Five-bar_linkage

    This configuration is also called a pantograph, [2] [3] however, it is not to be confused with the parallelogram-copying linkage pantograph. The linkage can be a one-degree-of-freedom mechanism if two gears are attached to two links and are meshed together, forming a geared five-bar mechanism.

  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. Brecknell Willis - Wikipedia

    en.wikipedia.org/wiki/Brecknell_Willis

    The Brecknell Willis Low Height pantograph is one of the four standard devices in use on British railway locomotives and multiple units and is a development of the standard Brecknell Willis High Speed pantograph. The Low Height pantograph is suitable for speeds up to 160 kilometres per hour (99 mph).

  8. Can Altadena's Black population survive fire, or will it ...

    www.aol.com/news/altadenas-black-population...

    The original house James turned down, Brian said, "is probably worth three million dollars, and his house might be worth half that." "But in terms of the richness, the community, the relationships ...

  9. Trolley pole - Wikipedia

    en.wikipedia.org/wiki/Trolley_pole

    The use of pantographs (or bow collectors) exclusively also eliminates the need for wire frogs (switches in the overhead wiring) to make sure the pole goes in the correct direction at junctions. The trolley pole with a shoe at its tip is problematic for longer modern streetcars that draw more electricity than older streetcars.