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[5] [6] [7] In January 1976, Inficon was acquired by Leybold-Heraeus GmbH a vacuum technology company. Due to this acquisition, Inficon became known as Inficon Leybold-Heraeus. [8] [9] In 1987, Leybold-Heraeus GmbH, the parent company of Inficon, was purchased by Degussa AG, and the name was changed to Leybold AG. At this point, Inficon Leybold ...
The 1939 Telegraph Message Code book contains in excess of 900 code words (around half of which were standard codes also used by other railways) yet very few were the familiar codes seen painted on the side of goods wagons. [1] By using these codes long and complex sentences could be sent using just a few words. Some examples of the codes ...
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Created Date: 8/30/2012 4:52:52 PM
U.S. State Department code book issued in 1899, an example of a one-part code, at the National Cryptologic Museum Page 187 of the State Department 1899 code book, a one-part code with a choice of code word or numeric ciphertext. Numeric codes are prefixed by the page number.
Commercial codes were not generally intended to keep telegrams private, as codes were widely published; they were usually cost-saving measures only. Many general-purpose codes, such as the Acme Code and the ABC Code , were published and widely used between the 1870s and the 1950s, before the arrival of transatlantic telephone calls and next-day ...
Typical example: Somewhere in the world a buyer purchases 500 metre cable coded 68.68.61.301.1 He knows he gets a telecommunication cable, 110 volt, polythene isolated, lead sheathed and steelwire armed, PVC served, colour green, with conductors of high-conductivity solid plain annealed copper wire, polythene insulated and polythene inner ...
see #5-digit publisher codes: 838000~838499: see #7-digit publisher codes: 838500~867199: see #5-digit publisher codes: 867200~867599: see #4-digit publisher codes: 867600~869799: see #5-digit publisher codes: 869800~869856? 869857 Wordwell Bray, Co. Wicklow, Ireland 870018 Industrial Common Ownership Movement (ICOM) (now merged with Co ...