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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 ...
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.
This Halloween 2024, use these printable pumpkin stencils and free, easy carving patterns for the scariest, silliest, most unique, and cutest jack-o’-lanterns.
Microprinting is the production of recognizable patterns or characters in a printed medium at a scale that typically requires magnification to read with the naked eye. To the unaided eye, the text may appear as a solid line.
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. Typically they spell out "void", "copy", "invalid" or some other indicator message. [1]
Jacquard cards were said to be stamped or cut, rather than punched. The first Jacquard cards were stamped by hand, sometimes using a guide plate. An improvement involved placing the card between two perforated metal plates, hinged together, inserting punches according to the desired pattern, and then passing the assembly through a press to cut the card.
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
The advantage of a digital press is that in a single pass through the printer a void pantograph with all the variable data can be printed on plain paper. Copy-evident paper, sometimes marketed as ‘security paper’, is pre-printed void pantograph paper that was usually produced on an offset or flexographic press. The quality of the void ...