Invention Year Inventor Country
Artificial Heart 1957 Willem
Kolff Netherlands
Atomic Bomb 1945 Jrobert
Oppenheiner USA
Atomic Theory 1803 Dalton Britain
Ball Point - Pen 1988 John
Jhoud USA
Barometer 1644 Evangeliste
Torrlelli Italy
Bicycle 1839–40 Kirkpotnz Macmillan Brtain
Calculus 1670 Newton Britain
Diesel Engine 1895 Rudolf
Diesel Germany
Electron 1897 Thomson J.J Britain
Fountain Pen 1884 Lewis
E waterman USA
Gramphone 1878 Thomas Alva Edison USA
Hydrogen Bomb 1952 Edward
Teller USA
Laser 1960 Theodore Mainan USA
Lift 1852 Elisha Gotis USA
Logaritham 1614 Napier Britain
Pacemaker 1952 Zoll USA
Periodic Table 1869 Mendelyer Russia
Pistol 1836 Colt USA
Proton 1919 Rutherford New Zeland
Stethoscope 1819 La
ennaec France
Telescope 1608 Hans Lippershey Netherlands
Television Mechanical 1926 John
Logic Baird Britain
Transister 1948 Barden
Shocks & Brhain USA
Wireless telegraphs 1896 G Marconi Italy
X-Ray 1895 Wk Roentgen Germany
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