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v. t. e. A spirit duplicator (also referred to as a Rexograph or Ditto machine in North America, Banda machine or Fordigraph machine in the U.K. and Australia) is a printing method invented in 1923 by Wilhelm Ritzerfeld that was commonly used for much of the rest of the 20th century. The term "spirit duplicator" refers to the alcohols that were ...
Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by digital duplicators, scanners, laser printers and photocopiers, but for many years they were the primary means of reproducing documents for limited-run distribution. The duplicator was pioneered by Thomas Edison and David ...
v. t. e. A mimeograph machine (often abbreviated to mimeo, sometimes called a stencil duplicator or stencil machine) was a low-cost duplicating machine that worked by forcing ink through a stencil onto paper. [ 1] The process was called mimeography, and a copy made by the process was a mimeograph . Mimeographs, along with spirit duplicators and ...
The company was founded in 1883 [ 1] in Chicago as a lumber company by Albert Blake Dick (1856 – 1934). It soon expanded into office supplies and, after licensing key autographic printing patents from Thomas Edison, became the world's largest manufacturer of mimeograph equipment (Albert Dick coined the word "mimeograph"). [ 3]
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Elon Musk is retiring the last vestige of Twitter — the twitter.com web address — as the social network has fully moved over to the x.com domain name. “All core systems are now on X.com ...
Gestetner. The Gestetner is a type of duplicating machine named after its inventor, David Gestetner (1854–1939). During the 20th century, the term Gestetner was used as a verb—as in Gestetnering. [ 1] The Gestetner company established its base in London, filing its first patent in 1879. The business grew, remaining within the control of the ...
Artificial consciousness. Artificial consciousness, [ 1] also known as machine consciousness, [ 2][ 3] synthetic consciousness, [ 4] or digital consciousness, [ 5] is the consciousness hypothesized to be possible in artificial intelligence. [ 6] It is also the corresponding field of study, which draws insights from philosophy of mind ...