Tag Archives: archimedes screw

How Did They Lift Those Stones?

Posted on August 27, 2010 by 100swallows

The Egyptians had to construct ramps and pull the blocks up with ropes and brute force. But the Greeks invented the lifting tongs, the block and tackle, and this ingenious wedge device: the Holivela Holivela Most people have never seen … Continue reading →

Posted in 1, architecture, engineering, inventions, Romans, Spain, The Greeks | Tagged archimedes screw, construction techniques, ctesibius pump, engineering, Greek genius, holivela, inventions, lifting tongs, lifting weights, stone construction | 4 Comments

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Tag Archives: archimedes screw

How Did They Lift Those Stones?

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