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A ticket punch (or control nippers) is a hand tool for permanently marking admission tickets and similar items of paper or card stock. It makes a perforation and a corresponding chad . A ticket punch resembles a hole punch , differing in that the ticket punch has a longer jaw (or "reach") and the option of having a distinctive die shape.
Also in 1854 a "rotary process" was patented by William Bemrose and Henry Howe Bemrose.The Bemrose machine was designed as a rouletting machine. As such, it proved impracticable for stamp separation but in 1856 was successfully converted to a perforating machine by George C. Howard of Toppan Carpenter, stamp printers for the American Government. [3]
A partial image of a sheet of US Postage stamps, 1940 issue, featuring perforations. A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized fashion, where all of the holes collectively are called a perforation.
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Punched tape or perforated paper tape is a form of data storage device that consists of a long strip of paper through which small holes are punched. It was developed from and was subsequently used alongside punched cards , the difference being that the tape is continuous.
A Kolkata Suburban Railway rail ticket printed on by a dot matrix printer. Dot matrix printing is typically distinguished from non-impact methods, such as inkjet, thermal, or laser printing, which also use a bitmap to represent the printed work. These other technologies can support higher dot resolutions and print more quickly, with less noise.