Accession No

1324

Brief Description

Dolezalek quadrant electrometer, reflecting, by Cambridge Scientific Instrument Company Ltd., English, 1903 (c)

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

electrical

Earliest Date

1903

Latest Date

1903

Inscription Date

Material

metal (brass, aluminium); glass

Dimensions

height 300mm; base diameter 160mm

Special Collection

Provenance

Donated by the Royal Institution.

Inscription

‘THE CAMBRIDGE
SCIENTIFIC INSTRUMENT CO. LTD.
ENGLAND
No. 2725’ (on top)

Description Notes

Circular brass base; three brass levelling feet; terminal on base; upper circular plate supported by two brass pillars; brass suspension tube; brass quadrant boxes supported on four ambroid pillars; two-bladed aluminium vane suspended within quadrant boxes, with mirror above; cylindrical brass case with rectangular glazed window showing mirror.

Condition: fair (black tar on case); complete.

References

Events