TIMELINE OF THE CLOCK.

TIMELINE OF THE CLOCK

SAMUEL GIRALDO VALDERRAMA 8-E.

3000 A.C

solar clock

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Approximately 3000 years before Christ, the sundial or solar quadrant was invented, first used by the Egyptians and Chinese and works on the basis of the shadow of a rod.

1502 d.c

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It is a watch that uses a mechanical procedure to measure the passage of time. The watch is manually wound and the barrel mainspring coils storing energy.

270 a.c

water clock

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The second watch in history is a container that was filled with water, which was evacuated through a small hole and its flow was measured through marks inside that indicated the passage of time.

1928 d.c

quartz watch

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Is an electronic, analog or digital watch that is characterized by having a piece of quartz that serves to generate the necessary impulses to measure time.

300 d.c

sand clock

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The hourglass works thanks to gravity and it works thanks to the sand that is inside that within a while all the sand will fall and the clock will have to be turned.

1956 d.c - now

Digital clock

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Is a clock that bases its operation on digital electronics to mark time. These clocks also include other elements, to indicate whether the time is AM or PM.

Mechanical clock

1295 d.c

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Mechanical watches work thanks to different moving parts and gears that through their movement obtain energy to make the watch work.

pocket watch