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By the early 1960s, the Bell-O-Matic Corporation was being run by Tony Mills. He sold the company to American Machine and Science, Inc. (AMSC) owned by Wallace E. Carroll (later the chairman of Katy Industries), reportedly for USD500,000. AMSC had also acquired O. D. Jennings & Company and the two companies were merged to form TJM Corporation.
In Bell System telephone exchanges, particularly the 5XB switches, information from the marker told the sender that the call required ANI, and stored the calling equipment number in reed relay packs in the sender. The sender used the transverter connector (TVC) to seize a transverter (TV), which was a bay of a few hundred flat spring relays ...
A typical volume of Bell System Practices from the 1970s. The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories. [1]
The more powerful Bell 222B was introduced in 1982 with a larger diameter main rotor. The 222B-based Bell 222UT Utility Twin, with skid landing gear, was introduced in 1983. [1] A development of the 222 is the Bell 230, with the 222's LTS 101 engines replaced by two Allison 250 turboshaft engines, plus other refinements. A converted 222 first ...
More than 100 pages use this file. The following list shows the first 100 pages that use this file only. A full list is available.. Bell System; History of AT&T; Regional Bell Operating Company
Originally incorporated in 1953 as Sparkomatic Corporation, it first operated primarily as a local wholesale distributor of automobile aftermarket parts. By 1961 the company began to sell products with their own Spark-O-Matic brand name.
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
Bell Labs [b] is an American industrial research and development (R&D) company, currently operating as a subsidiary of Finnish technology company Nokia.With a long history, Bell Labs is credited with the development of radio astronomy, the transistor, the laser, the photovoltaic cell, the charge-coupled device (CCD), information theory, the Unix operating system, and the programming languages ...