The Proklos
- KEY HIGHLIGHTS
- Robotics
- computing mechanisms
- Automation & Programming
- Telecommunication
- CRYPTOGRAPHY
- astronomy
- AUTOMOTION & AUTOMATIC NAVIGATION
- Steam mobility
- Jet Propulsion
- RELIGIOUS TECHNOLOGY
- “PNEUMATIC” AUTOMATA
- MEASURING INSTRUMENTS
- TOOLS & MACHINES
- GEODESY & CARTOGRAPHY
- timekeeping
- Gadgets
- HOISTING MACHINES
- MILITARY TECHNOLOGY
- ATHLETIC TECHNOLOGY
- Strategy & showing games
- MEDICAL TECHNOLOGY
- HYDRAULIC TECHNOLOGY
- NAVAL TECHNOLOGY
- TEXTILE TECHNOLOGY
- ancient theatre technology
- AGRICULTURAL TECHNOLOGY
- The Measurements of Man
- PULLING MACHINES
- WIND & HYDRAULIC ENERGY
- MATERIAL TECHNOLOGY
- MUSICAL INSTRUMENTS
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A tool for carving ellipses - “ellipsografos”
It is an exceptional instrument of carving ellipses. It was constituted by two stable vertical bars with slots inside which were sliding the pins of a moving bar. With continuous movement the pen (stylus) that was located in the edge of the moving bar carved the desirable ellipse.