Jerry
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Welcome! (start here)
World Views (worldviews)
isms
Daoism (Taoism)
Chinese Five Elements (Wuxing)
Earth (the planet)
Geology
Minerals
Quartz
Quartz Clock
Attachments
Quartz clock
Parents
Crystal Oscillator
Quartz
Types of Clock
Children
Accutron (1960)
Astron (1969 first quartz wristwatch, $1,250)
Quartz Crisis (peaked 1983)