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jan 1, 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 m uro del Gran Chatelet de Paris.
Added to timeline:
metrologia
By
Jorge guarneros
17 Jul 2020
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Date:
jan 1, 1668
Now
~ 358 years ago
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