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Title: Leonardo Da Vinci's proposed helicopter, late 15th century. [Go to resource]
Description: Model of proposed Leonardo da Vinci Helicopter License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: autogiros
rotary-wing aircraft
aircraft
helicoptersTemporal: 1480-1519 Source: Science Museum Creator: Leonardo, da Vinci, 1452-1519 Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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