Quadrant electrometer, scale and laser.

Uriel Chantraine2016

Musée Curie

Musée Curie
Paris, France

The laser is angled toward a mirror that reflects the light beam. We can see the point of entry and of exit of the ray. Lasers did not exist at the time but one is now used in the museum to facilitate demonstrations.


  • Title: Quadrant electrometer, scale and laser.
  • Creator: Uriel Chantraine
  • Date Created: 2016

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