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United Scientific Supplies Radiometer Products for Science Education

How do the vanes turn under no apparent power?

Manufacturer:  United Scientific Supplies RADIO1

Catalog No. S41818A


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Description

Description

  • Made from a glass bulb from which much of the air has been removed
  • Inside is a rotor with four vanes on low-friction spindle
  • Each vane has blackened side and silvered side
  • Heating by sunlight or artificial light makes vane rotate
  • Differential heating of the two sides results and creates the motion

Order Info

Dimensions: 6 × 4 × 4 in. (15.2 × 10.2 × 10.2cm); shipping weight: 0.3 lb. (136g).

Specifications

Specifications

Glass bulb
Radiometer
SDS
Documents
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