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Solar Radiometer, Solar Crookes Light Mill. Chain of 3 Radiometers; Large, Medium and Small with Drop. Clear


Huge Savings Item! Free Shipping Included! Save 18% on the Solar Radiometer, Solar Crookes Light Mill. Chain of 3 Radiometers; Large, Medium and Small with Drop. Clear by Lilyshome at Climate Witness. MPN: SW406. Hurry! Limited time offer. Offer valid only while supplies last. Invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research, the radiometer is made from a glass bulb from which


Solar Radiometer, Solar Crookes Light Mill. Chain of 3 Radiometers; Large, Medium and Small with Drop. Clear by Lilyshome
Brand: Lilyshome
4.4 out of 5 stars with 93 reviews
Condition: New
Availability: In Stock
$84.95
$69.95
You Save: 18%


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Product Description & Reviews

Invented in 1873 by the chemist Sir William Crookes as the by-product of some chemical research, the radiometer is made from a glass bulb from which much of the air has been removed to form a partial vacuum. Inside the bulb, on a low friction spindle, is a rotor with several (usually four) vertical lightweight metal vanes spaced equally around the axis. The vanes are polished or white on one side and black on the other. When exposed to sunlight, artificial light, or infrared radiation (even the heat of a hand nearby can be enough), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing. You are getting 3 such radiometer spheres that are about 3.4 inch, 3.15 inch and 2.36 inch diameter each and a glass drop. Just hang near a window as the vanes only rotates in light (sunlight or incandescent light). The more light shine on the globes the faster the vanes rotates.

Features & Highlights

  • Magnificent chain of 3 Radiometers; Large, Medium, Small with drop at the bottom.
  • All made of glass. Large at 3.4 inch dia., Medium at 3.15 inch dia., and Small at 2.36 inch dia.
  • This physical and technical miracle shows you in a clear way how sunlight is converted to energy
  • Hang near a window or under incandescent light and watch as the vanes rotate
  • Lily's Home® is a registered trademark of Solar Wholesale, LLC.

Additional Information

Manufacturer:Lily's Home
Brand:Lilyshome
Color:Clear
Model:SW406
Part Number:SW406
Publisher:Lily's Home
Studio:Lily's Home
MPN:SW406
UPC:637825771237
EAN:0637825771237
Package Weight:1 pounds
Package Size:9.4 x 5.7 x 5.7 inches

 


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