Crank with knob; part of the planetarium; tellurium; lunarium; Device with which the movement of sun; earth; moon and planets can be represented clearly. Metal crank with wooden knob. This can be placed on a rod that protrudes from the base at the bottom and operates a mechanism; Amsterdam; Felix Meritis; Hartog van Laun; c. 1800 - c. 1808; brass (alloy); wood (plant material); h 9.5 cm x w 12.0 cm x d 2.9 cm