Invetors

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1. Roger Bacon invented…
A magnifying glass was invented by Roger Bacon.
2. Alexander Graham Bell invented ...

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4. Josephine Cochrane invented ...
3. László József Bíró invented …

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6. Bartolomeo Cristofori invented ...
5. Jacques-Yves Cousteau invented …

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8. Thomas Edison invented ...
7. Rudolf Diesel invented …

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10. Alexander Fleming invented ...
9. Douglas C. Engelbart invented …

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12. Antoni van Leeuwenhoek invented ...
11. Gustav de Laval invented …

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1. was invented by … .
Eugene Kaspersky
Michael Faraday
Etienne Lenoir
Etienne Lenoir

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2. was invented by … .
Wilhelm Röntgen
Charles Macintosh
Garrett Morgan
Charles Macintosh

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3. was invented by … .
Hippolyte Mège-Mouriés
Samuel Morse
William Oughtred
Hippolyte Mège-Mouriés

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4. was invented by … .
Garrett Morgan
William Oughtred
George Pullman
Garrett Morgan

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5. was invented by … .
Isaac Singer
George Stephenson
Franz San Galli
Franz San Galli

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6. was invented by … .
Ibn Sina (Avicenna)
Levi Strauss
Adolphe Sax
Adolphe Sax

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7. was invented by … .
Konstantin Tsiolkovsky
Igor Sikorsky
Jacques-Yves Cousteau
Igor Sikorsky

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8. was invented by … .
George Westinghouse
James Watt
Ivan Polzunov
George Westinghouse

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9. was invented by … .
Wilhelm Röntgen
Franz San Galli
Hippolyte Mège-Mouriés
Wilhelm Röntgen

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10. was invented by … .
James Naismith
Dmitri Mendeleev
Alfred Nobel
Alfred Nobel

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11. was invented by … .
Etienne Lenoir
Arthur Wynne
James Naismith
James Naismith