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pdf Please login to download this file.This resource briefly describes the history of clocks from the sundial to the atomic clock.
About this resource
Resource type
لِکِکال
چرکن کيکالا
جواز/ چاپس حق دارکاليى
CC 0 / public domain

This resource briefly describes the history of clocks from the sundial to the atomic clock.
CC 0 / public domain