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Watermark. A watermark is an identifying image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper. [ 1] Watermarks have been used on postage stamps, currency, and other ...
Thermal paper (often supplied in roll form, and sometimes referred to as an audit roll) is a special fine paper that is coated with a material formulated to change color locally when exposed to heat. It is used in thermal printers , particularly in inexpensive devices such as adding machines , cash registers , and credit card terminals and ...
The web of paper is placed on the printer, in the form of a roll of paper, from a paper mill (surplus newsprint can also be cut into individual sheets by a processor for use in a variety of other applications such as wrapping or commercial printing). World demand of newsprint in 2006 totaled about 37.2 million metric tonnes, according to the ...
Intaglio ( / ɪnˈtælioʊ, - ˈtɑː -/ in-TAL-ee-oh, -TAH-; [ 1] Italian: [inˈtaʎʎo]) is the family of printing and printmaking techniques in which the image is incised into a surface and the incised line or sunken area holds the ink. [ 2] It is the direct opposite of a relief print where the parts of the matrix that make the image ...
Modern prints onto paper protected from the sun and moisture will last an incredibly long time. Prints made using newer alkaline and acid-free paper have a life expectancy of over 1,000 years for the best paper and 500 years for average grades. When it comes to older prints, the condition of a print largely depends on the technique used to make ...
Punched card. A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[ 1] or punched-card[ 2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines . Punched cards were widely used in the 20th ...
Printing is a process for mass reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabonidus. The earliest known form of printing evolved from ink rubbings made on paper or cloth from texts on stone ...
Woodblock printing. The intricate frontispiece of the Diamond Sutra from Tang dynasty China, the world's earliest printed text containing a date of production, AD 868 ( British Library) Woodblock printing or block printing is a technique for printing text, images or patterns used widely throughout East Asia and originating in China in antiquity ...