RADIOMETER
by American Science & Surplus
Our Price: $9.98
Availability: Usually ships in 4-5 business days
Category: Tools
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Product Details
Manufacturer: American Science & SurplusProduct features:
- Radiometer Another oldie but goodie. 5" high evacuated clear glass stand 3" in diameter at the top. A four bladed vane is balanced on a needle inside the sphere. Because opposite surfaces of the vanes are black and white, incident radiant energy is absorbed or reflected to a different degree. The result is a spinning vane. The brighter the light, the faster it spins. Simple, but compelling. Brief explanatory instruction sheet included.
Description of RADIOMETER
Radiometer Another oldie but goodie. 5" high evacuated clear glass stand 3" in diameter at the top. A four bladed vane is balanced on a needle inside the sphere. Because opposite surfaces of the vanes are black and white, incident radiant energy is absorbed or reflected to a different degree. The result is a spinning vane. The brighter the light, the faster it spins. Simple, but compelling. Brief explanatory instruction sheet included.Tools and Hardware Reviews of RADIOMETER
Customer Review: Childhood Memories
Summary: 5 Stars
Very cool! Brings back memories from my childhood visits to the science exhibitions at the Pomona Fair in Los Angeles. It operates well even in low light conditions. Great quality for the price!
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