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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1870 ano - 1.870. Wilmot diseño un micrómetro que media milésima. J. R. Brown y Lucían Sharpe desafían el primer micrómetro mecánico, utilizando los desafíos de Palmer y Wilmot. Joseph Saxton construyo su comparador reflectante
Adicionado na linha do tempo:
metrologia
By
Jorge guarneros
17 jul 2020
0
0
684
Data:
1 jan 1870 ano
Agora
~ 155 years ago
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