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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1844 (1 déc. 1844 – 1 avr. 1845)

Description:

Charles Goodyear obtained a patent to develop a method to treat rubber to make it stronger. This was a continuity because inventors were already working on a way to advance the economy.

Ajouté au bande de temps:

30 déc. 2019
0
0
245

Date:

1 déc. 1844
1 avr. 1845
~ 4 months