Tube de Geissler avec liquide fluorescent
Geissler tube with fluorescent liquid
Geißlerröhre mit fluoreszierender Flüssigkeit

This tube is equipped with a sealed liquid-filled jacket containing a solution of sulphate of quinine. This fluoresces bright blue when the tube is fired up.

 

Longueur • Length • Länge : 17 cm • 6" 3/4

 

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