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Fazio contracted a close intimacy with a certain Galeazzo Rosso, a man clever as a smith, and endowed with mechanical tastes which no doubt helped to secure him Fazio's friendship. Galeazzo discovered the principle of the water-screw of Archimedes before the description of the same, written in the books of the inventor, had been published.
He also made swords which could be bent as if they were of lead, and sharp enough to cut iron like wood. He performed a more wonderful feat in fashioning iron breast-plates which would resist the impact of red-hot missiles. In the De Sapientia, Cardan records that when Galeazzo perfected his water-screw, he lost his wits for joy.
The ship was furnished with four anchors of wood and eight of iron; and "the water-screw" of Archimedes, already mentioned, was used instead of a pump for the vast ship; "by the help of which one man might easily and speedily drain out the water, though it were very deep." The whole ship's company consisted of an immense multitude, there being in the forecastle alone 600 seamen.
Archimedes detected the mixture of silver in a crown of gold which his patron, Hiero of Syracuse, ordered to be made; and he invented a water-screw for pumping water out of the hold of a great ship which he had built. He contrived also the combination of pulleys, and he constructed an orrery to represent the movement of the heavenly bodies.
Intermingled with dissertations on abstract causes and the hidden forces of Nature are to be found descriptions of taps and pumps and syphons, and of the water-screw of Archimedes, the re-invention of which caused poor Galeazzo Rosso, Fazio's blacksmith friend, to go mad for joy. There are diagrams of furnaces, of machinery for raising sunken ships, and of the common steelyard.
He detected the mixture of silver in a crown of gold which his patron, Hiero of Syracuse, ordered to be made, and he invented a water-screw for pumping water out of the hold of a great ship he built. He used also a combination of pulleys, and he constructed an orrery to represent the movement of the heavenly bodies.
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