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[4]: 642, pdf15 Other devices communicate on parallel pins, followed by a programming pulse with a higher voltage for programming the data into the device. [ 10 ] : 125 Usually, a programmer is controlled via a connected personal computer through a parallel port, [ 1 ] : 364 USB port, [ 11 ] or LAN interface.
Danfoss is a Danish multinational company, based in Denmark, with more than 41,928 employees globally. Danfoss was founded in 1933 by engineer Mads Clausen. [1] Danfoss headquarters in Nordborg, Denmark Cutaway model of Danfoss's first automatic valve
Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .
Danfoss Compressors plant in Flensburg, late 1950s. Danfoss Compressors plant in Flensburg with an extended production area, ca. 1960s/70s. Danfoss Compressors GmbH was a subsidiary of the Danfoss Group, a Danish manufacturer of valves and fluid-handling products, from 1956 to 2010.
Troubleshooting was a tedious process. [4] When general-purpose computers became available, they were soon applied to control logic in industrial processes. These early computers were unreliable [5] and required specialist programmers and strict control of working conditions, such as temperature, cleanliness, and power quality. [6]
The Model V was among the early [2] electromechanical [3] general purpose computers, [4] [5] [6] designed by George Stibitz and built by Bell Telephone Laboratories, operational in 1946. Only two machines were built: first one was installed at National Advisory Committee for Aeronautics (NACA, later NASA), the second (1947) at the US Army’s ...
When H0 scale was being introduced, the motors available were too large [4] to fit in scale-sized bodies and so as a compromise the scale was increased from 3.5 mm to 4 mm to the foot, but the gauge was not changed so other elements could be shared. For 00 therefore the track is about 12.5% narrower than it should be for the scale used.
Protofour or P4 is a set of standards for model railways allowing construction of models to a scale of 4 mm to 300 mm (1 ft) (1:76.2), [1] the predominant scale of model railways of the British prototype. For historical reasons almost all manufacturers of British prototype models use 00 gauge (1:76.2 models running on 16.5 mm (0.65 in) gauge ...