THE object of the automatic telephone exchange is to dispense with the assistance of a third party in making connection between two subscribers. Those whp are at all familiar with the complexity of ...
The last step-by-step automatic telephone exchange in Ireland, based in Clontarf, Dublin, has closed down marking the final phasing out of the telephone system that has served the country since 1927.
1876: Alexander Graham Bell invents and receives patents for his “electrical speech machine,” the telephone. (Several other inventors create similar technology around the same time, but Bell gets ...
Rathlin Islanders no longer need operator assistance when making a phone call. In 1969 John Stonehouse then Postmaster General made a promise to the people of Rathlin that the island would get an ...
Over 80 percent of Azerbaijani automatic telephone exchanges have been overhauled and have been made electronic, Azerbaijani Deputy Communication Minister Elmir Valizade said. "The overhaul is going ...
AT an ordinary or manual telephone exchange, as is generally known, the subscribers' lines terminate on “jacks,” and are put through to each other by means of “plugs” and flexible conductors. The ...