INVENTIONS AND DISCOVERIES ( PART 8 ,9 and 10 ) Helicopter, 1930. Inventor: d’ Ascanio (Italy). Co-axial machine. Earliest drawing of principle, Le Mans Museum, France, c. 1460. First service able machine by Igor Sikorsky (USA).1939. Helium, 1868. Inventor: Sir William Ramsay (Great Britain). Hovercraft, 1955. Inventor: C.S. Cockerell (England). Patented December 12. Earliest air-cushion vehicle patent was in 1877 by J.I. Thornycroft (1843-1921) (England). First ‘light’ Saunders Roe SRNI at Cowes, England, (May 30, 1959). Internet, March 20, 1989 Inventor: Tim Burners-Lee Iron Working, c. 1000 BC. Inventor: Hallstatt, Austria. Introduced into Britain c. 550 BC. Jet Engine, 1937. Inventor: Sir Frank Whitde (England) (b. 1906). First test-run in 1937. Principles announced by Merconnet (France) 1909 and Maxime Guillaume (France) 1921. First flight August 27, 1939 by Heinkel He. Laser, 1960. Inventor: Dr. Charles H. Townes (USA). First demonstration by Theodore Maiman (USA). (Abbreviation for Light Amplification by Stimulated Emission of Radiation). Lathe, c. 1500 BC. Inventor: Greeks for wood-working. Possibly developed from potter’s wheel. Earliest screw cutting lathe by Henry Maudsly (England) (1771-1831). Launderette, 1934. Inventor: J.F. Cantrell (USA), Fort Worth, Texas, April 18. Laws of Gravitation and Motion, 1687. Inventor: Isaac Newton (England). Lightning Conductor, 1752. Inventor: Benjamin Franklin (USA) (1706-90), Philadelphia. Linoleum, 1860. Inventor: Frederick Walton (England). Locomotive, 1804. Inventor: Richard Trevithick (England) (1771- 1833). Penydarren, Wales, 9 Miles (February 21). Loom (power), 1785. Inventor: Edmund Cartwright (England) (1743- 1823). Loudspeaker, 1924. Inventor: Rice- Kellogg (USA).
Posted on: Sat, 01 Nov 2014 12:54:14 +0000
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