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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1840-1850 Henry Maudslay construye un micrómetro con una precisión de la milésima parte de una pulgada. Jean Laurent Palmer realizó la primera patente del calibre husillo, que era un instrumento de bolsillo (1 janv. 1840 – 1 janv. 1850)
Ajouté au bande de temps:
Metrología
By
Erick Piña
12 janv. 2018
0
0
1771
Date:
1 janv. 1840
1 janv. 1850
~ 10 years
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