Objekt 5
Ball electrifying machine (fragment)
Description
By rotating the glass globe and simultaneously rubbing it against a suitable friction material (in this case coconut fiber), so-called frictional electricity is generated, which can be dissipated and transferred, for example, to a "Leyden bottle".
Object description
probably England, 1st half 18th c.
green glass (defective), spindle made of iron, mounting parts made of wood, mounted on coconut fiber
according to the inventory "Physicksaal" 1757: "A green, oval and already mounted globe", No. 89.
Depositum Institute of Physics of the University of Basel, Phys .o. no.
Inv. 1986.454.