telegraph data circuit
71Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… …
72Shanghai — For other uses, see Shanghai (disambiguation). Shanghai 上海   Municipality &# …
73Digital subscriber line — DSL redirects here. For other uses, see DSL (disambiguation). DSL technologies Standard ADSL ANSI T1.413 Issue 2 ITU G.992.1 (G.DMT) ITU G.992.2 (G.Lite) ADSL2 ITU G.992.3 ITU G.992.4 ITU G.992.3 Annex J ITU G.992.3 Annex L ADSL2+ …
74Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …
75Media in Cornwall — The media in Cornwall has a long and distinct history. The county has a wide range of different types and quality of media. Contents 1 History 1.1 Timeline 1.2 Background 1.3 Telegraphy …
76cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …
77AT&T Corporation — For the 2005 parent company currently known as AT T and formerly Southwestern Bell/ SBC, see AT T. AT T Corp. Type Subsidiary Industry …
78Mephedrone — Not to be confused with methedrine, methedrone, methadone, or methylone. Mephedrone Systematic …
79Fernando Alonso — Infobox F1 driver Name = Fernando Alonso Caption = Alonso at the 2008 Canadian Grand Prix Nationality = flagicon|ESP Spanish Car number = 5 birth date = birth date and age|1981|07|29 birth place = flagicon|ESPOviedo Spain Team = Renault Team for… …
80Electronic keyboard — An electronic keyboard. An electronic keyboard (also called digital keyboard, portable keyboard and home keyboard) is an electronic or digital keyboard instrument. The major components of a typical modern electronic keyboard are: Musical keyboard …
