Talk:Heinrich Geissler
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[edit] Geißler or Geissler
Should the name of this page be Geißler or Geissler? Talamus 16:57, 27 April 2006 (UTC)
[edit] Mercury air pump
As I know Geißler invented the mercury air pump method that enabled the near vacuum inside those sealed glass tubes.
Those glass tubes foreshadowed many electrical inventions, like the Pulyui lamp that finally led to the discovery of X-rays.