On the Origin of Clockwork, Perpetual Motion Devices, and the Compass
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Chapters (9)
- ON THE ORIGIN OF CLOCKWORK, PERPETUAL MOTION DEVICES AND THE COMPASS
- Power and Motion Gearing
- Mechanical Clocks
- Mechanized Astronomical Models
- Perpetual Motion and the Clock before de Dondi
- The Magnetic Compass as a Fellow-traveler from China
- Chronological Chart
- FOOTNOTES:
- U.S. GOVERNMENT PRINTING OFFICE: 1959
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