000130415 1801-1874 1802-1875 1815-1864 1847-1931 1850-1925 1856-1943 1864-1930 1874-1937 1879-1948 1916-1998 1916-2001 1918-1979 1947- 20thcentury 840 africanamericanengineers alandower atlanticocean autobiography automobileindustry automobileindustryandtrade belltelephonelaboratories berg biography blumlein boole borissemenovich buildings businessmen canada certification certifification charles childhoodandyouth china claudeelwood clifford collegeteachers comicbooks communists computerlogic computers diaries diariespaterson eccentricsandeccentricities edison electricalengineering electricapparatusandappliances electricengineering electricequipment electricwiring electronictransformerindustry employees engineering engineers england espionage europeans experiments faculty ferranti fiction filippgeorgievich ge george greatbritain guglielmo heaviside history historyferranti-packardtransformers historygecresearchlaboratories hotelcleaningpersonnel householdappliances ijo(africanpeople) industrialists informationtheory ingénieursélectriciens inliterature installation inventeurs inventions inventors iosefveniaminovich italy i͡akobi juvenileliterature juvenilenonfiction logiccircuits logicians marconi marconisystem mathematicians mathematics motorvehicleindustry nationalvocationalqualifications(greatbritain) nature newfoundlandandlabrador nigerianamericans nikola nonfiction oliver powertools qa28n342013 radio russia schoolboardmembers science sebastianzianide serbianamericaninventors shannon soviet sovietunion spies standards staros strips technology technologytransfer telegraph telephonesuppliesindustry telephonesystems television tennesseestateuniversity tesla testing unitedstates videogamedesigners videogames vocationalguidance wheatstone wireless worldrecords yuanren 葛元仁