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Yumpu was launched in 2011 as a self-publishing service for B2B by Norbert Rom's i-magazine AG (founded 2006). [1] [2] I-magazine AG, in turn, is a subsidiary of adRom Holding AG, which was also founded by Norbert Rom. [3] In 2016, Yummy Publishing GmbH was founded in Austria as a subsidiary of i-Magazine AG, which supports the parent company with various services.
Centralized traffic control (CTC) is a form of railway signalling that originated in North America. CTC consolidates train routing decisions that were previously carried out by local signal operators or the train crews themselves.
CTC-16 is a second-generation design based on the Digitrack 1600, a commercial system marketed from 1972 to 1976. [12] The CTC-16 digital train control system is totally compatible with the Digitrack 1600. Digitrack 1600 was analog in nature, with pulses riding on a constant DC track voltage.
The user guide engraved into a model of the Antikythera Mechanism. User guides have been found with ancient devices. One example is the Antikythera Mechanism, [1] a 2,000 year old Greek analogue computer that was found off the coast of the Greek island Antikythera in the year 1900. On the cover of this device are passages of text which describe ...
Railroads Illustrated, formerly known as CTC Board, was a monthly magazine, published by White River Productions (WRP), devoted to railroad photography. WRP purchased CTC Board magazine from Hundman Publishing after the May 2006 issue, and rebranded the magazine as Railroads Illustrated , and used the CTC Board name for the news section.
Datapoint Corporation, originally known as Computer Terminal Corporation (CTC), was a computer company based in San Antonio, Texas, United States. Founded in July 1968 by Phil Ray and Gus Roche, its first products were, as the company's initial name suggests, computer terminals intended to replace Teletype machines connected to time sharing ...
The monitor has an 11.5-inch wide CRT (measured diagonally) with 90 degree deflection, etched to reduce glare, with a resolution of 350 horizontal lines and a 50 Hz refresh rate. [ 3 ] [ 4 ] [ 6 ] It uses TTL digital inputs through a 9-pin D-shell connector, being able to display at least three brightness levels, according to the different pin ...
An interactive electronic technical manual (IETM) is a portal to manage technical documentation. IETMs compress volumes of text into just CD-ROMs or online pages which may include sound and video , and allow readers to locate needed information far more rapidly than in paper manuals.