Category Archives: Media

Villard’s Hydraulic Saw

Villard's sawmill image from MS

Reconstruction of the hydraulic saw drawn by Villard de Honnecourt created by Buzz Dawson and George Brooks, based on earlier work of Jean-Pierre Adam and François Bucher.

Villard’s Hammerwheel

Villard's Hammerwheel

A short video of a physical reconstruction of Villard de Honnecourt’s sketch of a “machine that moves itself”, that is, a supposed perpetual motion machine. To give you the long version short: it is NOT a perpetual motion machine. In fact, it works as a self-braking wheel because the center of gravity is always below Continue Reading