Inventions

1. Airplane-Wilfred right brothers
2. Anesthesia-Roentgen
3. Blood kinds-Glasser Nasser
4. Calculator-Johnjelat, America
5. Camera-Louis Prince, France
6. Car-Henry board
7. Cassette-Dr. Peter Goldmark, America
8. Cycle-Greek Fredrick Macmillan
9. Diesel engine-Rudalph Diesel
10. Dynamo-Hipolite Pixie
11. Electric bulb-Thomas Alwa Edison, America
12. Electricity-Benjamin Plank
13. Fan-Veela
14. Fountain Pen-Watermann
15. Helicopter -Athiyan Amichen
16. Gravitational Force-Newton
17. Laser-Charles Townes
18. Motor Bike -G. Taylmar.
19. Match stick-John Walker
20. Mirror -Axbergil, German
21. Newspaper-Vennis
22. Penicillin-Alexander Fleming
23. Telephone-Alexander Graham bell, America
24. Photo Film-Eastman
25. Radio-Marconi
26. Radar-A. H.Taylor & Leo Ching
27. Refrigerator-James Harrison
28. Submarines-David Bushnell
29. Seal-Hudenberg, Germany
30. Sewing machine-Dimonear, France
31. Solar Train Engine-George Stephen
32. Spectacles -A. E. Pick, America
33. Steam engine-James watt
34. Telescope-Galileo, Italy
35. Television -John Baired, England
36. Typewriter-Sobaz, England
37. Vaccination for measles -Jenner
38. Zip-W. L. Itsan