Accession No

2987

Brief Description

‘windmill’ demonstration discharge tube, c. 1950

Origin

Maker

Class

physics

Earliest Date

1950

Latest Date

1950

Inscription Date

Material

metal (white metal); glass; stone (mica (?))

Dimensions

length 297mm; breadth 49mm; height 85mm

Special Collection

Provenance

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

Inscription

Description Notes

‘windmill’ demonstration discharge tube, c. 1950.

Symmetrical glass vacuum tube, cathode at each end; 2 side arms with terminals and contacts. Mica (?) 6-vaned ‘windmill’, with painted spots and stripes, runs between glass rails along length of tube.

Condition good; complete.

References

Events