Spinning Jenny            1764     JamesHargreaves              Britain
Spinning Mule             1779     Samuel Crompton              Britain
Steam Engine              1698     Thomas Savery                Britain
Steam Engine(Piston)      1712     Thomas Newcomen              Britain
Steam Engine(Condenser)   1765     James Watt                   Britain
Steel(Stainless)          1913     Harry Brealey                Britain
Stethoscope               1819     Laennec                      French
Submarine                 1776     David Bushnell               USA
Super Computer            1976     J.H Van Tassel               USA
Synthesiser               1964     Moog                         USA
Tank                      1914     Sir Emest D Swington         Britain
Tape Recorder             1899     Fessenden Poulsen            Denmark
Telegraph                 1787     M Lammond                    France
Telegraph Code            1837     Samuel FB Morse              USA
Telephone, Cellular       1947     Bell Labs                    USA
Telephone (Imperfect)     1849     Antonio Meucci               Italy
Telephone (Perfected)     1876     Alexander Graham Bell        USA
Telescope                 1608     Hans Lippershey              Netherlands
Television (Mechanical)   1926     John Logie Baird             Britain
Television (Electronic)   1927     P.T Farnsworth               USA
Television, Colour        1928     John Logie Baird             Britain
Transformer               1831     Michael Faraday              Britain
Transistor                1948     Bardeen, Shockley & Brattain USA
Transistor Radio          1955     Sony                         Japan
Uranium Fission, Atomic   1942     Szilard Fermi                USA
Reactor
Vacuum Cleaner            1907     Spangler                     USA
Videotape                 1956     Charles Ginsberg             USA
Velcro(Hook-And-Loop-     1948     Geprges de Mestral           Switzerland
Fastner)
Washing Machine(Elec)     1907     Hurley Machine co            USA
Watch                     1462     Bartholomew Manfredi         Italy
Welder (Electric)         1877     Elisha Thomson               USA
Windmill                   600     Persian corn grinding        -
Wireless (Telegraph The)  1896     G Marconi                    Italy
X-Ray                     1895     W.K Roentgen                 Germany
Zip Fastener              1891     W.L Judson                   USA
                                  ***
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