All-Number Calling — was a new system of telephone numbers that was phased in the United States in the 1950s and 1960s.Until the 1950s, local telephone numbers consisted of an exchange and a 5 digit phone number. A New Yorker s phone number might be CHelsea 4 5034,… … Wikipedia
List of dialling codes in the United Kingdom — This is a list of telephone dialling codes in the United Kingdom. It is based on Ofcom s area code list, but includes defunct codes and historical changes, including the derivation of the two letter identities where known.[1][2] Note that… … Wikipedia
Telephone numbers in the United Kingdom — +44 redirects here. For the band, see +44 (band). United Kingdom telephone numbers Location of United Kingdom (dark green) Location Country United Kingdom Continent … Wikipedia
GPO telephones — The United Kingdom s General Post Office (GPO) had a number of telephones that were provided by them for connection to their exchanges. Until 1982 the GPO had a monopoly on the provision of all telephones within the UK and so the range was… … Wikipedia
020 — 0171 redirects here. For the New Testament manuscript, see Uncial 0171. This article is about the London dialling code. For the Amsterdam area code, see Telephone numbers in the Netherlands. For the Guangzhou area code, see Telephone numbers in… … Wikipedia
Telephone exchange names — During the early years of telephone service, communities that required more than 10,000 telephone numbers, whether dial service was available or not, utilized exchange names to distinguish identical numerics for different customers.When dial… … Wikipedia
Rotary dial — A German Fe TAp 615, (R g) a widespread rotary dial telephone of the 1960s to the 1980s The rotary dial is a device mounted on or in a telephone or switchboard that is designed to send electrical pulses, known as pulse dialing, corresponding to… … Wikipedia
Telephone Number Mapping — (ENUM or Enum, from E.164 NUmber Mapping) is a suite of protocols to unify the telephone numbering system E.164 with the Internet addressing system DNS by using an indirect lookup method, to obtain NAPTR records. The records are stored at a DNS… … Wikipedia
Cardiff — For other uses, see Cardiff (disambiguation). City and County of Cardiff Dinas a Sir Caerdydd Clockwise from top: Cardiff Bay, the Senedd, Cardiff University and the Millennium Stadium … Wikipedia
Mark XIV bomb sight — The Mk. XIVA sighting head, which would be mounted in the front of the aircraft and connected to the computor by the cables coiled up on the left. The main features are the gyrostabilizer in the large cylinder, and the collimator on the moving… … Wikipedia