Peaucellier mechanism, mechanical levers and linkages, Mecanismo de Peaucellier

The Infinity Sign drawing device

Scotch yoke mechanism

Levers & Linkages, Chebyshev straight-line motion mechanism Механизм Чебышева

Geneva wheel and other mechanisms

Mechanical Levers drawing machine

Levers & Linkages

Roberval balance

The Roberval Balance of Gilles Personne de Roberval

Trammel of Archimedes

Geneva mechanism, Mechanical Linkages, MECANISME

Four bar linkage perpetual mechanism

Lever & Wheels. Perpetual motion.

Flying Deltoid mechanism

The infinite oscillations, movimiento perpetuo