Inert gas discharge tubes, c 1960s.

1960-1969 in Europe

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Box of five vacuum tubes of Ramsay's original gases, used by him during his researches into the rare gases of the
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Set of inert gas discharge tubes (He - Ne - A - Kr - Xe)

When a high voltage is applied to electrodes in a gas at low pressure an electric current is carried by charged atoms of the gas. A characteristic light is emitted.


Experimental Chemistry
Object Number:
inert gas discharge tubes
Claudgen Ltd.

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