Medical Inventions and Discoveries
Invention   Inventor(s)   Country   Year
Adding Machine  Pascal  France  1624
Aeroplane  Wright Brothers  US  1903
Ballpoint Pen  C. Biro  Hungary  1888
Barometer  E. Torricelli  Italy  1643
Bicycle  K. Macmillan  Scotland  1839
Rubber (Vulcanized)  Charles Goodyear  US  1839
Rubber (Waterproof)  Charles Macintosh  Scotland  1823
Safety Lamp  Sir Humphry Davy  England  1816
Safety Pin  W. Hunt  US  1849
Sewing Machine  B. Thimmonnier  France  1830
Scooter  G. Bradshaw  England  1919
Ship (Steam)  J.C. Perier  France  1775
Ship (Turbine)  Sir Charles Parsons  England  1894
Shorthand (Modern)  Sir Isaac Pitman  England  1894
Spinning Frame  Sir Richard Arkwright  England  1769
Steam Engine Thomas Newcomen  England  1705
Steam Engine  James Watt  Scotland  1782
Stainless Steel  Harry Brearley  England  1913
Submarine  D. Bushnell  US  1776
Tank  Sir Ernest Swington  England  1914
Telegraph Code  Samuel F. B. Morse  US  1837
Telephone  Alexander Graham Bell  US  1876
Telescope  Hans Lippershey  Netherlands  1608
Terylene  J. Whinfield and J. Dickson  England  1941
Thermometer  Galileo Galilee  Italy  1593
Tractor  Benjamin Holt  US  1900
Transistor  Bardeen, Shockley and Brattain  US  1947
Typewriter  C. Sholes  US  1867
Radio Valve  Sir J.A. Fleming  Britain  1904
Watch  A. L Breguet  France  1791
X-ray  Wilhelm Roentgen  Germany  1895
Zip Fastener  W. L. Judson  US  1891
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