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Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
1959 – George Lockwood established the Impressions Workshop in Boston, with a focus on lithography and intaglio printing, later adding screen printing. [ 53 ] 1959 - June Wayne , founder of Tamarind Lithography Workshop (1960), in her funding proposal to the Ford Foundation to launch Tamarind, stated that the purpose of her project was to ...
Three-dimensional printing is a method of converting a virtual 3D model into a physical object. 3D printing is a category of rapid prototyping technology. 3D printers typically work by 'printing' successive layers on top of the previous to build up a three dimensional object. 3D printers are generally faster, more affordable and easier to use ...
1843 Rotary printing press. A rotary printing press is a printing press in which the images to be printed are curved around a cylinder. In 1843, Richard Hoe invented a revolution in printing by rolling a cylinder over stationary plates of inked type and using the cylinder to make an impression on paper. This eliminated the need for making ...
The first printing presses were established in Cambridge, in the Massachusetts Bay colony in 1638, and others soon emerged in New York, Boston and Philadelphia, but the overall production of printed matter was small.A s the 18th century unfolded more printing presses and newspapers came into existence and soon the paper shortage was felt by ...
The Photostat brand machine, differing in operation from the RetinalGraph but with the same purpose of the photographic copying of documents, was invented in Kansas City by Oscar T. Gregory in 1907. A directory of the city from 1909 shows his "Gregory Commercial Camera Company".
A spirit duplicator (also Rexograph and Ditto machine in North America, Banda machine and Fordigraph machine in the U.K. and Australia) is a printing method invented in 1923 by Wilhelm Ritzerfeld, which was used for most of the 20th century. The term "spirit duplicator" refers to the alcohols that were the principal solvents used in generating ...
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