Accession No

1995

Brief Description

glass vacuum tube, 1875–1925

Origin

Maker

Class

physics

Earliest Date

1875

Latest Date

1925

Inscription Date

Material

glass; metal (white metal, brass)

Dimensions

length 260mm; breadth 90mm; height 205mm

Special Collection

Cavendish collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge, in 1974.

Inscription

Description Notes

Colourless glass vacuum tube, two spherical bulbs joined by a short length of straight tubing, also joined by tubing which leaves reservoirs at right angles to straight tubing and forms a large spiral joining the reservoirs. Closed side arm from centre of spiral. Long anode and cathode probes almost meeting in the centre of the straight tube.

Condition good; complete.

References

Events