Radiometer Solar Crookes

IKEPOD Onion Radiometer Solar Crookes - Sunlight Energy and Electromagnetic Radiation Detection Light Mill with Spinning Vanes Windmill Inside, Ideal Gift for Student or Science Guru


  • SPECIFICATION - Material: Borosilicate Glass, Base diameter: 75mm, Height: 210mm, Sphere diameter: 80mm, Color: Clear & Black
  • COMPOSITION - Consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside.
  • INSTRUCTIONS - When exposed to sunlight, artificial light, or infrared radiation, the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing.
  • IDEAL GIFT - As a novelty ornament, it's a nice gift for our family and friends to express elegant quality life way, adding a modern contemporary look to your home/office.
  • NOTE - It is fragile as it is made of the glass. Please do not shake the radiometer hardly, It may affect the vanes rotation effect.