Accession No

2070

Brief Description

Coolidge X-ray tube, attributed to General Electric Company, English, 1/4 20th Century

Origin

England

Maker

General Electric Company [attributed]

Class

physics

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

glass; metal (brass, copper, at least three types of white metal); paper

Dimensions

height 545mm; maximum diameter 90mm

Special Collection

Cavendish collection

Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.

Inscription

Description Notes

Glass tube with central spherical chamber, tinged purple by gas. Concave white metal cathode with white metal screw mounting. Anode ending in cylinder with ?mica window in centre of end. Other end of anode carries water bath with inlet and outlet pipes for admitting water to cool tube. Paper label on cathode end marked ‘Presented by General Electric Company’. Attached paper label giving instructions for use of water bath.

Complete. (instruction label has torn)

Attribution is uncertain

References

Events