The Asteriskos (Surveying Cross)
- 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
- 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
- KINEMATIC MECHANISMS
- WIND & HYDRAULIC ENERGY
- MATERIAL TECHNOLOGY
- MUSICAL INSTRUMENTS
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It was a simple surveying instrument suitable for engraving perpendicular angles. It consisted of four plumb-lines hanging from the ends of a horizontal cross. It was used in many areas from the demarcation of fields to the making of roads and building floor plans. SOURCES: “Ptolemy, The Great Syntaxis of Astronomy (Almagest)”, “Archimedes, Psammites (The Sand Reckoner)”