Accession No

1959

Brief Description

vacuum tube, 1/2 20th C

Origin

Maker

Class

physics

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

glass; metal (at least 2 white metals)

Dimensions

length 351mm; breadth 45mm; depth 100mm

Special Collection

Cavendish collection

Provenance

Transferred from the Cavendish Laboratory, University of Cambridge, in 09/1974.

Inscription

Description Notes

Cylindrical glass tube containing L-shaped white metal target with 2 slits in foot and main part painted white. Double cathode, each with white metal disc. Small white metal anode. Side arm evacuation tube. Metal caps to aid electrical connection.

Condition good; complete.

References

Events