Accession No

1361

Brief Description

plate electrostatic generator, c. 1875

Origin

Maker

Class

electrical; demonstration

Earliest Date

1875

Latest Date

1875

Inscription Date

Material

metal (brass); wood (mahogany and at least 1 other); glass; wax; hide (leather)

Dimensions

breadth 405mm; depth 253mm; height 367mm

Special Collection

Cavendish Laboratory

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge.

Inscription

Description Notes

Mahogany base supporting frame formed by 2 mahogany uprights and top cross-piece, supporting horizontal brass axle for 9 inch diameter glass disc, secured to axle with brass washers. Adjustable clamps top and bottom to maintain contact between disc and 2 pairs of leather friction pads. Crank and removable turning handle on one side of frame. On the other a 2-armed brass conductor mounted onto the frame by a horizontal glass rod, each arm terminating in a ‘U’ shaped collector cone.

Condition fair (conductor very unstable in mount); complete

References

Events