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591 Drop Radiometer: Clear Sky

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  • 591 Clear Sky Drop Radiometer
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Price:
$17.99
SKU:
F591
Weight:
0.45 LBS
Shipping:
Calculated at checkout
Quantity:


Product Description

Observe the power of radiant energy!

Our Drop Radiometers will allow you to observe changes in the intensity of the Sun's rays and other bright lights by noting the varying speed of the spinning black and silver vanes. The concept this curious device is based on was developed by Sir William Crookes in 1873.

Sold individually.

Things to know about this item:
- Approximately 6.5"h
- Imported, Handmade Glass
- Price listed is for each piece, item is sold individually
- Descriptive full-color hangtag included
- Ships from Seattle, WA USA


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