Engineering Commons LLC
Home: www.engineeringcommons.org/
Antikythera Mechanism: www.engineeringcommons.org/an...
Build Pictures: www.engineeringcommons.org/an...
Planetarium Derivation: www.engineeringcommons.org/lo...
Equation of Time: www.engineeringcommons.org/an...
Pin-Slot Anomaly Correction: www.engineeringcommons.org/an...
Further Reading:
Clickspring Antikythera Build: • The Antikythera Mechan...
Antikythera Mechanism Research Project: www.antikythera-mechanism.gr
Tony Freeth’s Presentation at Stanford: • The Antikythera Mechan...
Michael Wright at Computer History Museum: • Secrets of the Antikyt...
Jo Marchant’s Talk at Darwin College: • Decoding the Heavens: ...
Planetary Positions: ssd.jpl.nasa.gov/horizons/app...
Chapters
0:00 Intro
0:30 Background
1:56 Gear Ratio Example
4:17 Reproductions
5:09 Changes
6:22 A Note on Friction
7:40 Changes
8:24 Spiral Pointers
10:21 Planetarium Design
13:45 Inferior Planets
15:58 Superior Planets
17:15 Lunar Anomaly
18:10 Equation of Time
21:31 Bevel Gears
22:40 Layout & Fabrication
24:20 Assembly
28:20 Usage
30:58 Outro
10 май 2024