Accession No

1352

Brief Description

electrostatic voltmeter, Lord Kelvin's patent, by James White, Scottish, 1898 (c)

Origin

Scotland; Glasgow

Maker

White, James

Class

electrical

Earliest Date

1898

Latest Date

1898

Inscription Date

Material

metal (brass, aluminium); glass; paper; wood

Dimensions

length 404mm; breadth 295mm; height 515mm

Special Collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge.

Inscription

‘LORD KELVIN’S
PATENTS
MULTICELLULAR
VOLTMETER No. 850
JAMES WHITE
GLASGOW’ (on plate fixed to brass cylinder)
‘E. 894’ (on wooden base (added))

Description Notes

Housed in rectangular brass box with front glazed window, showing vertical, curved paper dial; non-linear scale, 0 to 490 divisions; aluminium pointer, and sixteen cells; brass suspension tube on top of box; glass cup for damping oil in brass case at bottom of box; rigidly fixed to wooden frame having three levelling screws.

Complete

References

Events