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1 Jan 1850 Jahr - 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. .

Zugefügt zum Band der Zeit:

101 INVENTOS QUE MARCARON LA HISTORIA

ByMaria Jose Hoyos Hernandez
14 Jul 2020
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Datum:

1 Jan 1850 Jahr
Jetzt
~ 175 years ago
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