US Inventions from 1400's-1900's (1 gen 1400 anni – 1 gen 1900 anni)

Descrizione:

1.Bartolomeo Cristofori created the first piano Born: 1655
Died: 1731
2. Johannes Gutenberg invented the printing press with metal movable type.
3. Willis Haviland Carrier made the first working air conditioner he died on 1950 he was born on 1876
4.James Spangler made the first vacuum cleaner with a handle and a bag. he died on 1915 he was born on 1848.
5.The Wright brothers Orville and Wilbur made the first working airplane
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