Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: June 2, 2025
One Cuperus, who wrote a Treatise on the Excellence of Man, asserted that da Vinci translated his theories into practice, and actually flew, but the statement is unsupported. That he made models, especially on the helicopter principle, is past question; these were made of paper and wire, and actuated by springs of steel wire, which caused them to lift themselves in the air.
* Monsignanus, Bullarium, ii. 59 c, 47 b. At this assembly, the representatives of the Lower Rhine Province were Theodoric of Gouda, Martin Cuperus, and Eberhard Billick.
Word Of The Day
Others Looking