| S.No. | Invention | Inventor |
| 1. | Adding Machine | Pascal |
| 2. | Aeroplane | Wright |
| 3. | Balloon | Wright Brothers |
| 4. | Ball-point Pen | John Loud; László Bíró |
| 5. | Barometer | C. Biro |
| 6. | Bicycle | E. Torricelli |
| 7. | Bicycle Tyre | K. Macmillan |
| 8. | Calculating machine | J.B Dunlop |
| 9. | Centrigrade Scale | Pascal |
| 10. | Cine camera | Charles Babbage |
| 11. | Cinema | Friese-Greene |
| 12. | Cinematograph | A. Celsius |
| 13. | Clock (Mechanical) | A.L. and J.L Lumiere |
| 14. | Clock (Pendulum) | Hsing and Ling-Tsan |
| 15. | Computer | Thomas Alva Edison |
| 16. | Diesel engine | Rudolf Diesel |
| 17. | Dynamo | Michael Faraday |
| 18. | Electric Iron | H.W. Seeley |
| 19. | Electric Lamp | Thomas Alva Edison |
| 20. | Electromagnet | W. Sturgeon |
| 21. | Evolution(theory) | Charles Darwin |
| 22. | Film (with sound) | Dr Lee De Forest |
| 23. | Fountain Pen | LE. Waterman |
| 24. | Gramophone | T.A Edison |
| 25. | Jet engine | Sir Frank Whittle |
| 26. | Machine gun | Richard Gatling |
| 27. | Micro Processor | Federico Faggin |
| 28. | Microphone | David Hughes |
| 29. | Microscope | Z. Jansen |
| 30. | Motor car (Petrol) | Karl Benz |
| 31. | Motorcycle | Edward Butler |
| 32. | Printing Press | J. Gutenberg |
| 33. | Radio | G. Marconi |
| 34. | Radium | Marie and Pierre Curie |
| 35. | Refrigerator | J. Harrison and A. Catlin |
| 36. | Rubber(vulcanized) | Charles Goodyear |
| 37. | Rubber(waterproof) | Charles Macintosh |
| 38. | Safety pin | William Hurst |
| 39. | Sewing machine | B. Thimmonnier |
| 40. | Ship (Steam) | J.C. Perier |
| 41. | Ship (turbine) | Sir Charles Parsons |
| 42. | Steam engine (condenser) | James Watt |
| 43. | Steam engine (piston) | Thomas Newcome |
| 44. | Telephone | Alexander Graham Bell |
| 45. | Telescope | Hans Lippershey |
| 46. | Television | John Logie Bared |
| 47. | Thermometer | Galileo Galilei |
| 48. | Transistor | Bardeen, Shockley |
| 49. | Typewriter | C. Sholes |
| 50. | Watch | A.L Breguet |
| 51. | X-ray | Wilhelm Roentgen |