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Radiant Light Mill Radiometer

A Real Solar Engine



Take this radiometer for a spin in a sunny spot and watch thermodynamics in action. Once it soaks up some rays it becomes a real solar engine. The stronger the light, the faster it spins!

  • Impress your friends with this decorative glass radiometer
  • Available in small or large size
  • Choose from clear, green, blue or amber base designs
  • A great gift for science lovers!


+Free US shipping. Free standard shipping to Contiguous United States for registered members. AK, HI, and PR excluded.

Questions? Email us or call us at 415-255-5839

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Product Details


Small: 6.5 inch in Height; Large: 7.6 inch in Height;

Customer Reviews


tr****@gmail.comApr 22 2018, 6:09 am

Mine took around a month to ship for some reason, and only shipped once I inquired about it. It works nicely and it's cute but at $42 I do think it is quite overpriced and feel a bit foolish for paying that for it.

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