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dec 19, 1668 - 1668 Se crea en Francia un patrón de longitud denominado Toesa de Chatelet, formado por una barra de hierro empotrada en el exterior de un muro del Gran Chatelet de París
Added to timeline:
Metrología
By
Erick Piña
12 Jan 2018
0
0
1770
Date:
dec 19, 1668
Now
~ 357 years ago
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