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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. 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.

  4. Default-free zone - Wikipedia

    en.wikipedia.org/wiki/Default-free_zone

    In Internet routing, the default-free zone (DFZ) is the collection of all Internet autonomous systems (AS) that do not require a default route to route a packet to any destination. Conceptually, DFZ routers have a "complete" Border Gateway Protocol table, sometimes referred to as the Internet routing table , global routing table or global BGP ...

  5. Control plane - Wikipedia

    en.wikipedia.org/wiki/Control_plane

    Router configuration rules may contain static routes. A static route minimally has a destination address, a prefix length or subnet mask, and a definition where to send packets for the route. That definition can refer to a local interface on the router, or a next-hop address that could be on the far end of a subnet to which the router is connected.

  6. 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 ...

  7. 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.

  8. Multi Router Traffic Grapher - Wikipedia

    en.wikipedia.org/wiki/Multi_Router_Traffic_Grapher

    The Multi Router Traffic Grapher (MRTG) is free software for monitoring and measuring the traffic load on network links. It allows the user to see traffic load on a network over time in graphical form.

  9. Router plane - Wikipedia

    en.wikipedia.org/wiki/Router_plane

    A router plane is a hand plane used in woodworking for smoothing out sunken panels, and more generally for all depressions below the general surface of the pattern. [1] It planes the bottoms of recesses to a uniform depth and can work into corners that otherwise can only be reached with a chisel .