Go back to article: Reading, writing, drawing and making in the 18th-century instrument trade

Figure 12

Photograph of wooden instrument used for collision experiments

Jan van Musschenbroek and Willem ’s Gravesande, machine for oblique and compound collisions. Oak and brass, 1285 x 600 x 300 mm, c. 1720, Museum Boerhaave Inv. No. 9631 (de Clercq, 1997a, p 45).