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Quartz clock

technology Maturity 7-9

A special stone helps clocks work.

Quartz Clockwork (disassembled).jpg
Quartz Clockwork (disassembled).jpg
It makes a tiny beat. This beat keeps time very well. It helps us know the hour. It is a neat way to tell time.
Clock (4140348113).jpg
Clock (4140348113).jpg
Do you have a clock?

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🖼️ Images & Media (8)
File:Circuitboard from chronograph-watch.jpg
Circuitboard from chronograph-watch.jpg
File:Quartz Clockwork (disassembled).jpg
Quartz Clockwork (disassembled).jpg
File:Armbanduhr Rueckseite.jpg
Armbanduhr Rueckseite.jpg
File:Frequency divider animation.gif
Frequency divider animation.gif
File:Inside QuartzCrystal-Tuningfork.jpg
Inside QuartzCrystal-Tuningfork.jpg
File:Early NBS crystal oscillator frequency standards.jpg
Early NBS crystal oscillator frequency...
File:Marrisons quartz crystal clock.jpg
Marrisons quartz crystal clock.jpg
File:Clock (4140348113).jpg
Clock (4140348113).jpg
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