Database: History | Great Inventions by Year and Country | Author Not Online
Braille
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Quick Browse
| 30 | Blood bank | |
| 31 | Blow-dryer | |
| 32 | Atomic bomb | |
| 33 | Hydrogen Bomb | |
| 34 | Boomerang | |
| 35 | --> | Braille |
| 36 | Bra | |
| 37 | Siliced Bread | |
| 38 | Button | |
| 39 | Buttonhole | |
| 40 | Hand held calculator |
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