Accession No

1992.3

Brief Description

vacuum tube, 1/2 20th C

Origin

Maker

Class

physics

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

glass; metal (white metal); paper

Dimensions

length 97mm; breadth 30mm; depth 15mm

Special Collection

Cavendish collection

Provenance

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

Inscription

‘HELIUM A.P.’ (paper label)

Description Notes

Small glass vacuum tube with white metal terminals and side-arm evacuation tube.
Sides of tube darkened from use.

Condition fair; complete.

References

Events