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laila [671]
4 years ago
13

20 PONITS

Social Studies
1 answer:
stira [4]4 years ago
8 0
Here's the most prominent inventions from the early 1900's
1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television 
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio

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