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
Images (Click to view full size):