Solar Radiometer by Kikkerland - Measures Radiant Flux of Electromagnetic Radiation

SOLAR041
£39.99
 

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Solar Radiometer by Kikkerland - Measures Radiant Flux of Electromagnetic Radiation

Crookes Radiometer - a curiously retro scientific instrument for measuring light

A sealed glass case with 4 vanes that magically spin when a light source is present

Kit out your office in Dumbledore or Steampunk style

Hand blown glass replica scientific instrument