carry circuit
111Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
112Bailiff — Not to be confused with Baillie. For Farm bailiff, see Estate agent. A bailiff (from Late Latin baiulivus, adjectival form of baiulus) is a governor or custodian (cf. bail); a legal officer to whom some degree of authority, care or jurisdiction… …
113Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …
114ITU-T V-Series Recommendations — V90 redirects here. For the automobile, see Volvo V90. The ITU T V Series Recommendations on Data communication over the telephone network specify the protocols that govern approved modem communication standards and interfaces.cite web… …
115Private branch exchange — A private branch exchange (PBX) is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as …
116Frogman — This article is about a type of military diver. For other uses, see Frogman (disambiguation). A French frogman with bag on chest rebreather with 2 breathing tubes (model Oxygers , 1957) …
117John Lott — For the American football player (born 1964), see John Lott (American football). For the American mathematician, see John Lott (mathematician). John Lott John Richard Lott Jr. (born May 8, 1958) is an American academic and political commentator.… …
118Electromagnet — An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off. Electromagnets are widely used as components of other electrical devices,… …
119Mains electricity — A table lamp connected to a wall socket (the mains). Mains is the general purpose alternating current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity,… …
120Wardenclyffe Tower — (1901 ndash; 1917) also known as the Tesla Tower, was an early wireless telecommunications aerial tower designed by Nikola Tesla and intended for commercial trans Atlantic wireless telephony, broadcasting, and to demonstrate the transmission of… …
