Solar Crookes Radiometer Glass Windmill Handmade Toy for Party Home Decoration Gift Green S

$14.25

About This Product :

The stronger the light, the faster it turns. If possible, place it on a window sill or other place with strong light.
Beautiful design suitable any decorationFor example, home, office, classroom, party…
Made of glass and made by hand.
It does not require batteries, only light. Suitable for people over 14 years old.

Details :

Age Range (Description): Adult
Item Dimensions LxWxH: 3.54 x 3.54 x 5.12 inches

115 in stock

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Product Description :

The radiometer is educational and physical demonstration object that was invented by English physicist Crooks about 100 years ago.
Today the Radiometer has become a home decoration or holiday gift.
Of course, it can also be a physics teaching tool.
The radiometer consists of a glass bulb with a partial vacuum.
Inside are four vases which are mounted on a spindle.
The vanes rotate when exposed to sunlight,artificial light or infrared radiation.

Product Details :

Detail	Value
Product Dimensions	3.54 x 3.54 x 5.12 inches
Item Weight	2.78 ounces

Dimensions	3.54 × 3.54 × 5.12 in

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Solar Crookes Radiometer Glass Windmill Handmade Toy for Party Home Decoration Gift Green S

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