Find out the name of objects which are invented and discovered through science
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Ballpoint pen - John J. Loud
Bullet - Claude Mini
Clock (mechanical) - I-Hsing and Liang Ling-Tsan (China)
Electric Fan - Wheeler
Elevator - Elisha G. Otis
Ballpoint pen - John J. Loud
Bullet - Claude Mini
Clock (mechanical) - I-Hsing and Liang Ling-Tsan (China)
Electric Fan - Wheeler
Elevator - Elisha G. Otis
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