Accession No

1971

Brief Description

glass vacuum tube, 1875–1925

Origin

Maker

Class

physics

Earliest Date

1875

Latest Date

1925

Inscription Date

Material

glass; metal (white metal, aluminium, copper); liquid; wood (cork)

Dimensions

length 870mm; breadth 70mm; depth 50mm

Special Collection

Cavendish collection

Provenance

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

Inscription

Description Notes

Vacuum tube with cased central section. Cylindrical outer tube surrounds inner liquid-filled tube which consists of alternating spherical and ovoid chambers linked by straight tubes. Pink liquid. Side arm to outer tube with cork bung. White metal terminals with aluminium foil added to one end to aid electrical contact.

Condition fair (rather dirty on inside of outer tube); complete.

References

Events