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oct 1, 250 BC - Reloj de agua de Ktesibios

Description:

registro de un dispositivo con control de retroalimentación, es el reloj de agua de Ktesibios en Alejandría.

Added to timeline:

Evolución de los sistemas de control

ByALVEIRO JAVIER BUENO AGUIRRE

6 Nov 2018

0

0

441

Date:

oct 1, 250 BC

Now

~ 2278 years ago

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