Leonardo's Ropemaker The Eli Whitney Museum and Workshop

Design and Invention The Eli Whitney Museum and Workshop

Leonardo da Vinci: The Mechanics of Genius, Science Museum

February Vacation 2011 The Eli Whitney Museum and Workshop

Neil Downie and the Leonardo Bridge

The Eli Whitney Museum and Workshop

The Leonardo Challenge The Eli Whitney Museum and Workshop

Design and Invention The Eli Whitney Museum and Workshop

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2nd, 3rd The Eli Whitney Museum and Workshop

Leonardo da Vinci Museum: Machines by Leonardo Inspired by Drawings in his Codexes

Leonardo: In Flight The Eli Whitney Museum and Workshop

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