NARVA SKR 2 Maltese Cross Crookes Tube
Tube de Crookes à croix de Malte
Schattenkreuzröhre

The Maltese Cross tube was invented in the 1880s by William Crookes during his investigations unto the nature of cathode rays (electrons).
When a high voltage is applied to the electrodes, the end of the tube fluoresces, but the cross positioned in the cathode ray beam produces a shadow. This indicates that cathode rays travel in straight lines and that they are stopped by a thin piece of metal.

Fiche technique • Data sheet • Datenblatt: SKR2.pdf

 Video on YouTube: Maltese cross.avi

 

Hauteur • Height • Höhe : 24 cm • 9" 1/2
Diamètre • Diameter • Durchmesser : 13 cm • 5" 1/8

 

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