Accession No

1979

Brief Description

vacuum tube, 1900–1950

Origin

Maker

Class

physics

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

glass; metal (white metal)

Dimensions

length 390mm; breadth 72mm; depth 44mm

Special Collection

Cavendish collection

Provenance

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

Inscription

Description Notes

Glass vacuum tube with elongated evacuation tube. One terminal at opposite end finishing with metal disc; other terminal on side-arm with aluminium foil to aid electrical connection. Centre part of tube contains L-shaped target with slit in foot of the L.

Condition good; complete.

References

Events