The following table enlists the major discoveries/inventions and their discoverers/inventors −
| Discovery/Invention |
Discoverer/Inventor |
Time/Period |
Image |
| Magnifying Glass |
Roger Bacon (Great Britain) |
13th Century |
 |
| Printing Press |
Johannes Gutenberg (German) |
1440 (About) |
 |
| Watch (Portable Clocks) |
Peter Henlein (Germany) |
1509 (About) |
 |
| Optical Microscope (& also the Compound Microscope) |
Zacharias Janssen (Dutch) |
End of 16th Century |
 |
| Telescope |
Galileo (Italian) (however, in 1608, three inventors namely Hans Lippershey, Zacharias Janssen, & Jacob Metius invented that Galileo improved) |
1609 |
 |
| Barometer |
Evangelista Torricelli (Italian) |
1643 |
 |
| Piano |
Bartolomeo Cristofori di Francesco (Italian) |
In the very beginning of 18th Century |
 |
| Steam Boat |
Denis Papin (French) |
1704 |
 |
| Steam Engine |
Thomas Newcomen (British) |
1712 |
 |
| Watt Steam Engine |
James Watt (Scottish) |
1776 |
 |
| Mercury Thermometer |
Daniel Gabriel Fahrenheit(Polish-German) |
1714 |
 |
| Achromatic Lens |
John Dollond (British) |
1758 |
 |
| Submarine |
David Bushnell (American) |
1775 |
 |
| Bifocal Lens |
Benjamin Franklin |
1770s |
 |
| Power Loom |
Edmund Cartwright (British) |
1784 |
 |
| Gas Turbine |
John Barber (British) |
1791 |
 |
| Electric Battery |
Alessandro Volta (Italian) |
1800 |
 |
| (Railway) Steam Locomotive |
Richard Trevithick (British) |
1804 |
 |
| Stethoscope |
René Laennec |
1819 |
 |
| Hygrometer (Crude hygrometer was invented by Leonardo da Vinci in 1480) |
Johann Heinrich Lambert (French) |
1755 |
 |
| Electric Motor |
Michael Faraday (British) |
1821 |
 |
| Typewriter |
William Austin Burt (American) |
1829 |
 |
| Sewing Machine |
Barthélemy Thimonnier (French) |
1829 |
 |
| Dynamo |
Michael Faraday (British) |
1831 |
 |
| Telegraph |
Samuel Morse (American) |
1832-33 |
 |
| Revolver (However, the first Flintlock Revolver patented by Elisha Collier in 1814) |
Samuel Colt (American) |
1835 |
 |
| Pedal Driven Bicycle |
Kirkpatrick Macmillan (Scottish) |
1839 |
 |
| Pneumatic Tire |
Robert William Thomson (Scottish) |
1845 |
 |
| Francis Turbine |
James Bicheno Francis (British American) & Uriah A. Boyden (American) |
1848 |
 |
| Refrigerator (In 1805, an American inventor Oliver Evans experimented a closed vapor-compression refrigeration cycle for the production of ice) |
Alexander Twining & James Harrison (However, in 1859, Ferdinand Carré of France developed the first gas absorption refrigeration system) |
1850 |
 |
| Elevator/Lift (for the building) |
Elisha Otis (American) |
1852 |
 |
| Machine Gun |
Richard Jordan Gatling (American) |
1861 |
 |
| Dynamite |
Alfred Bernhard Nobel (Swedish) |
1867 |
 |
| Air Brake |
George Westinghouse (American) |
1872 |
 |
| Telephone |
Alexander Graham Bell (Scottish) |
1875 |
 |
| Phonograph/ Gramophone |
|
1877 |
 |
| Film/Movie Camera (However, movie camera was invented by Francis Ronalds in 1845) |
Louis Le Thomas Alva Edison (American)Prince (French) |
1888 |
 |
| Electric Lamp/Bulb (by using "a carbon filament”) |
Thomas Alva Edison (American) |
1879 |
 |
| The First Steam-powered Automobile |
Nicolas-Joseph Cugnot (French) |
1768 |
N/A |
| The First Car Powered by an internal combustion Engine fueled by Hydrogen |
François Isaac de Rivaz (French) |
1807 |
N/A |
| The First Petrol or Gasoline-powered Automobile |
Karl Benz German |
1886 |
 |
| Inflatable Tire |
John Boyd Dunlop (Scottish) |
1887 |
 |
| X-Ray |
Wilhelm Conrad Röntgen (German) |
1895 |
 |
| Radio Telegraph |
Guglielmo Marconi (Italian) |
1890s |
 |
| Nuclear Reactor (namely Chicago Pile-1) |
Enrico Fermi (Italian) |
1942 |
 |
| The first general-purpose Electronic Digital Computer |
John Presper Eckert, Jr. & John William Mauchly (Americans) |
1945 |
 |
| Transistor |
William Shockley, John Bardeen & Walter Brattain (Americans) |
1947 |
 |
| Fiber Optics |
Narinder Singh Kapany (Indians) |
1960 |
 |
| ARPANET, (the precursor to the Internet) |
Leonard Kleinrock (American) |
1969 |
N/A |
| Radio |
Guglielmo Marconi (Italian) |
N/A |
N/A |
