Standaard voor de werktuigkunde met twee hefbomen before 1867

This small-scale illustration, created before 1867 by F.W. Funckler, depicts a "Standard for Mechanics with Two Levers". It is one of eleven illustrations from a larger work that focuses on teaching concepts of equilibrium and motion of solid bodies. The illustration shows a detailed diagram of a contraption with two levers, likely intended for use in demonstrating principles of physics related to leverage, weight, and balance. The image offers a glimpse into the tools and techniques used for teaching mechanics in the 19th century.