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On the positive flash in vacuum discharge tubes

Published online by Cambridge University Press:  24 October 2008

R. Whiddington
Affiliation:
St John's College.

Extract

It has been known for a very long time that, under certain conditions rather difficult to specify, the discharge through an ordinary two-electrode vacuum tube containing gas at a low pressure, even when the potential is maintained by a battery of low resistance Storage cells, is intermittent.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1925

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References

* See e.g. Cantar, M., Wied. Annal. 67, 2 (1899)Google Scholar, and Bieche, , Ann. d. Phys. 4, p. 614 (1901).Google Scholar

Proc. Boy. Soc. 98 (1920).Google Scholar

* Simultaneous photographs in the mirror of a mercury are fed with A.C. of known frequency are seen on the right of Fig. 2 and in the centre of Fig. 1.

Occasionally there is evidence of flashes travelling from the cathode.

* Radio Review, 1919.Google Scholar