Accession No

2231

Brief Description

electrostatic machine, 1775-1800 (c)

Origin

Maker

Class

electrical; demonstration

Earliest Date

1775

Latest Date

1800

Inscription Date

Material

wood (oak); metal (brass, steel); glass; hide (leather); hair

Dimensions

length 1150mm; breadth 525mm; height 1390mm

Special Collection

Provenance

Inscription

Description Notes

Oak table stand with stretcher rails. Shaped oak frame bolted to the table, surmounted by brass urn and supporting steel axle, crank and turning handle; glass disk clamped to axle by leather and brass washers. Frame carrying two pairs of removable oval-shaped leather friction pads, stuffed with horse hair, having wooden bases marked I, II, III, and IIII to correspond with the slotted mounts. Two glass columns with brass fittings supporting brass primary conductor, linked by two curved arms to U-shaped collector combs.

References

Events