Discharging tongs. Two metal rods with balls on the end fixed to a glass rod with a wooden handle. The metal rods are mounted on wheels allowing them to be rotated together or apart.

ABDNP:200471a

twin brass rods hinged at one end fitted on a glass insulating rod and wooden handle. Each rod terminates in a brass sphere; for removal of charge from electrostatically charged spheres. Likely to be one of Copland's "Discharging rod, jointed, glass handle" two of which are mentioned in the 1823 inventory.

1780-1810

brass, glass, wood
550 mm long, glass rod 15 mm diameter

Physical Object