Accession No

2073


Brief Description

vacuum tube, 1875–1925


Origin


Maker


Class

physics


Earliest Date

1875


Latest Date

1925


Inscription Date


Material

glass; wood (cork); metal (brass, white metal); inorganic (charcoal); cloth (cotton wool)


Dimensions

height 535mm; breadth 220mm; depth 45mm


Special Collection

Cavendish collection


Provenance

Transferred from Cavendish Laboratory, University of Cambridge, 1974.


Inscription


Description Notes

Glass tube with contraction in centre and elongation at end containing carbon chip regulator. Cathode side arm set near contraction; cathode consists of white metal cylinder with central hole leading to narrower cylinder. Hollow cylinder white metal anode in side arm on opposite side. Carries attached label reading ‘for work of Kanahlstrohle after Goldstein’ in DJB’s [David Bryden] hand.

Condition good; complete.


References


Events


FM:44925

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