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On the Opacity of Aluminium Foil to Ions from a Flame

Published online by Cambridge University Press:  15 September 2014

George A. Carse
George A. Carse
Affiliation:
Edinburgh University; Emmanuel College, Cambridge
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Extract

The apparatus used to show that aluminium was opaque to the ions from a flame consisted (see fig. 1) of a tube A, which was

funnel-shaped at one end, the other end of which led to an enclosure B, one side of which (a b) was made of aluminium foil connected to earth, and on the other side there was an insulated metallic plate (c d), which could either be connected to earth or to a high potential battery. On the other side of the aluminium foil there was an electroscope in a closed case C. The electroscope was of the type used by C. T. R. Wilson in his experiments on the natural ionisation of air in closed vessels.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 25 , Issue 2 , 1906 , pp. 903 - 907
Copyright
Copyright © Royal Society of Edinburgh 1906

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References

page 903 note * Proc. Roy. Soc., 68, p. 152, 1901.

page 906 note * Revue Scientifique, iv. 18, 1902, p. 649.

page 906 note † Phil. Mag., vi. 62, 1905, p.