Model of an Archimedean Screw, Working model of a mortar. The auger is placed vertically in a wooden container and is driven by a cogwheel gear. The worked-up water runs over a short lip and back into the container., anonymous, Netherlands (possibly), c. 1780 - c. 1808, wood (plant material), brass (alloy), iron (metal), model: h 107 cm × w 45 cm × d 66.5 cm packaging capsule: h 112.5 cm × w 77.7 cm × d 59.8 cm.
Model of an Archimedean Screw, Working model of a mortar. The auger is placed vertically in a wooden container and is driven by a cogwheel gear. The worked-up water runs over a short lip and back into the container., anonymous, Netherlands (possibly), c. 1780 - c. 1808, wood (plant material), brass (alloy), iron (metal), model: h 107 cm × w 45 cm × d 66.5 cm packaging capsule: h 112.5 cm × w 77.7 cm × d 59.8 cm