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jan 1, 1850 - Taladro. Joseph Whitworth, construyó en 1850 un taladro de columna accionado por transmisión a correa y giro del eje porta brocas a través de un juego de engranajes cónicos. .
Added to timeline:
101 INVENTOS QUE MARCARON LA HISTORIA
By
Maria Jose Hoyos Hernandez
14 Jul 2020
0
0
473
Date:
jan 1, 1850
Now
~ 175 years ago
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