Accession No

4098

Brief Description

arc lamp, by Cambridge and Paul Instrument Company Ltd., English, 1920

Origin

England; Cambridge

Maker

Cambridge and Paul Instrument Company Ltd.

Class

electrical

Earliest Date

1920

Latest Date

1920

Inscription Date

Material

wood; metal (brass, cast iron, at least 2 others); glass; rope; graphite; plastic (at least one); cloth (velvet)

Dimensions

height 605mm; breadth 410mm; depth 267mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘THE
CAMBRIDGE AND PAUL
INSTRUMENT CO. LTD.
LONDON & CAMBRIDGE
NO C10365’ (brass plaque on one side of the instrument)

Description Notes

Rectangular wooden base with four feet, supporting rectangular cast iron base plate, on which is mounted a metal lantern box with oval chimney on top. The back of the lantern is covered by a black velvet cloth with central slit. Doors on both sides of the lantern, hinged and with brass covers to observation windows (one without glass, one with). Front of lantern carries a converging lens with diaphragm mount which can be set to five different positions.
Within the lantern is the arc lamp itself, with the mechanism for creating the light, central to which is a graphite bar.

Complete.

References

Events