Accession No

1966


Brief Description

vacuum tube, 1875–1925


Origin


Maker


Class

physics


Earliest Date

1875


Latest Date

1925


Inscription Date


Material

glass; wood (cork); metal (white metal); wax (sealing wax)


Dimensions

length 480mm; breadth 95mm; thickness 35mm


Special Collection

Cavendish collection


Provenance

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


Inscription


Description Notes

Vacuum tube with cruciform configuration at each end. Cased central section in form of a coiled spiral inside a jacket with side arm stopped by cork, for filling section. Two white metal terminals. Partially filled with green tinged fluid.

Condition good; complete.


References


Events


FM:45493

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