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Offset printing is a common printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket and then to the printing surface. When used in combination with the lithographic process, which is based on the repulsion of oil and water , the offset technique employs a flat ( planographic ) image carrier.
John R. Thistlethwaite Jr. (July 16, 1918 – April 6, 1996) was an American journalist who founded the Daily World of Opelousas, Louisiana on December 24, 1939, the first American small town daily newspaper to use offset and photo-offset printing. Ducote “Duke” Andrepont was the newspaper's cofounder.
Hugo Knudsen was a Danish printer, born in 1876 and died in 1955, eponym of the Knudsen process for fine lithography, patented in 1915.He owned the Offset Printing Plate Company of New York, United States.
Offset is a process similar to lithography, consisting of applying an ink on a metal plate, usually aluminum. It was the parallel product of two inventors: in 1875, the British Robert Barclay developed a version for printing on metals (tin) and, in 1903, the American Ira Washington Rubel adapted it for printing on paper. [3]
Chester Floyd Carlson (February 8, 1906 – September 19, 1968) was an American physicist, inventor, and patent attorney born in Seattle, Washington.. Carlson invented electrophotography (now xerography, meaning "dry writing"), producing a dry copy in contrast to the wet copies then produced by the Photostat process; it is now used by millions of photocopiers worldwide.
The problem can occur with most types of printing, and is avoided by the use of slipsheets between copies (so any ink transfer occurs onto discardable paper) or anti-set-off spray powder. The term in offset printing also refers to the unwanted transfer of ink to rollers and friction points throughout the printing press. Ink that is not properly ...
Curt Teich & Company, Inc. factory in Chicago. Curt Otto Teich (March 1877 – 1974) was an American publisher of German descent who produced popular color postcards, primarily of scenes from American life.
Printing press from 1811, photographed in Munich, Germany. A printing press is a mechanical device for applying pressure to an inked surface resting upon a medium (such as paper or cloth), thereby transferring an image. The systems involved were first assembled in Germany by the goldsmith Johannes Gutenberg in the mid-15th century. [101]