Accession No

2980


Brief Description

pair of vacuum tubes, by C. Andrews, English, c. 1910-1915


Origin

England; London


Maker

Andrews, C.


Class

physics


Earliest Date

1910


Latest Date

1915


Inscription Date


Material

glass


Dimensions

each length 400mm; breadth 150mm; height 135mm


Special Collection


Provenance

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


Inscription

‘Hapld’ (?)
‘MADE BY
C. ANDREWS
LONDON
4949’


Description Notes

Glass; gas X-ray rectifiers; spiral electrode.


The two tubes are in different boxes. The one with metal wires is in Box 85, the one without is Box 184


References


Events


FM:45024

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