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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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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 jan 1840 ano – 1 jan 1850 ano)
Adicionado na linha do tempo:
Metrología
By
Erick Piña
12 jan 2018
0
0
1622
Data:
1 jan 1840 ano
1 jan 1850 ano
~ 10 years
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