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Crook Radiometer
- Crook Radiometer was invented by William Crook in the 1860’s.
- This in largely used for demonstrating the conversion of light energy into mechanical energy.
- However lack and white in colour and the dark vanes absorb the rays and the light vanes reflect the rays.
- The result is the stronger the light, the faster it spins.
I am glad to receive the item in good quality….
excellent product arrived fast
I got quick response.Thanks.