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mirroring or identical triangles' swaping) are included
pistons and cylinders
This book revives approximately two hundred exceptional ancient Greek inventions (from the robot - servant of Philon to the cinema of Heron and from the automatic clock of Ktesibios to the analog computer of Antikythera) and aims to demonstrate that the technology of the ancient Greeks
In the problem
the square or (like tangram) some particular figures (e
The heart of the Antikythera Mechanism mirroring or identical triangles' swaping)It is the surviving intelligent epicyclic gearwork that delivers the apparent speed of the moon. Rotate and observe the apparent "golden" moon pulling ahead and sometimes delaying the actual "oxidiced" moon moving at a constant speed.
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50
US$ 549.50