telephone current
61Trimline telephone — The Western Electric Trimline telephone is a variety of telephone set designed by Henry Dreyfuss Associates for the Bell System (AT T). It was built by the Bell System s manufacturing arm, Western Electric. The idea behind the Trimline telephone… …
62British telephone sockets — were introduced in their current plug and socket form on November 19th 1981 by British Telecom to allow subscribers to connect their own telephones. The new system replaced the older hard wired system, which was very complicated, required an… …
63Prepaid telephone calls — are a popular way of making telephone calls which allow the caller to control spend and not be tied into ongoing commitments with the telephone operator.Prepaid phone cards is a service provided by various telecom companies that sell their… …
64Sound-powered telephone — A sound powered telephone is a communication device that allows users to talk to each other with the use of a handset, similar to a conventional telephone, but without the use of external power. This technology has been used for at least five… …
65Chesapeake and Potomac Telephone Company Warehouse and Repair Facility — U.S. National Register of Historic Places …
66Turbidity current — A turbidity current or density current is a current of rapidly moving, sediment laden water moving down a slope through air, water, or another fluid. The current moves because it has a higher density and turbidity than the fluid through which it… …
67No Telephone to Heaven —   Author(s) Michelle Cliff Country …
68Postal, telegraph and telephone service — A postal, telegraph, and telephone service (or PTT) is a government agency responsible for postal mail, telegraph, and telephone services. Such monopolies existed in many countries, though not in North America or Japan. Many PTTs have been… …
69Geomagnetically induced current — Geomagnetically induced currents (GIC), affecting the normal operation of long technological conductor systems, are a manifestation at ground level of space weather. During space weather events (or geomagnetic storms) Earth s near space current… …
70Guyana Telephone and Telegraph Company — The Guyana Telephone and Telegraph Company is a fixed Local Exchange Carrier (LEC) based in Guyana, South America. It is the largest provider of telecommunication services in Guyana with a subscriber base exceeding three hundred thousand in a… …
