Accession No

2985

Brief Description

vacuum tube, 1950 (c)

Origin

Maker

Class

physics

Earliest Date

1950

Latest Date

1950

Inscription Date

Material

glass; metal (white metal, brass)

Dimensions

length 352mm; breadth 40mm; height 82mm

Special Collection

Provenance

Donated by Department of Physics, Guy’s Hospital Medical School, University of London, London, England, 09/1983.

Inscription

Description Notes

Glass cylindrical tube with side arm and terminals at the two ends, with brass caps to improve the electrical connection. Centre of tube contains a long L-shaped sheet of metal (aluminium?), painted white on inner side and with a central slit in the bottom section. Terminal next to the base of the L ends in a white metal disc.

Condition good; complete.

References

Events