Mind Blowing Breakthroughs Science show - Season 1 Episode 15 : Jang Yeong-sil – History And Principles Of Time Measurement, Part 1 2017
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The Baron proposes a show dedicated to time. So he invites a specialist from medieval Korea: Jang Yeong-sil. When the King's guards slept and did not ring the bells indicating different times of the day, the King asked Jang to create a machine that told time automatically. But how did Jang do it?
- Released: Jan 01, 1970
- Runtime: 00:26:14 minutes
- Genre: Animation, Kids
- Stars:
- Network: EBS 1
