Crookes radiometer Solar windmill

Crookes radiometer Solar windmill

£3.95 DELIVERY. OVER £20 FREE (UK mainland ony)

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Crookes radiometer Solar windmill

Light bulb style Crookes radiometer

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Regular Price £29.99 Special Price £24.99
Availability: Out of stock
or 4 interest-free payments of £6.25
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Light bulb style Crookes radiometer

This is an ultra stylish and unusual light bulb shaped radiometer.

It has a chrome finished wire stand and screw end lightbulb style base and a filament shaped central vane. Radiometers measure light intensity by spinning in accordance with the level of light which hits the small square vane panels.

FREE UK delivery

The more light it receives the faster it spins as more energy is being received. Place near a window or under a direct incandescent light as the vanes only rotate in light. A great gift and educational piece.

Here's a clip of a radiometer in full sunshine

Height: 15cm
Diameter: 10cm

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