ABSTRACT
Carolina. 1904 J. A. Fleming invented the thermionic valve. 1906 T.S. Mauretania launched. 1908 Holzwarth's gas turbine. 1910 Bakelite (discovered by L. W. Bakeland) first produced com-
mercially. 1913 Henry Brearley discovered how to make stainless steel. 1919 Rutherford split the atom. 1933 Discovery of polythene, first produced commercially 1939. 1937 Nylon developed by Carothers. 1940 `Terylene' developed by Dickson and Whinfield. 1941 First flight with Whittle's jet engine. 1945 6th August. Atom bomb dropped on Hiroshima. 1945 Atomic Energy Research Establishment set up at Harwell. 1948 Transistors developed in laboratories of the Bell Telephone
Co. 1950 First gas turbine motor-car produced by Rover Co. Ltd. 1950 Loch Sloy hydro-electric power scheme-the largest in
Britain. 1956 Calder Hall nuclear power station opened. 1957 4th October. First artificial earth satellite, Sputnik, launched
by Russians. 1958 St. Lawrence River Power project completed. 1962 Nuclear power stations opened at Berkeley, Gloucestershire
and Bradwell, Essex.
