Crooke's Radiometer

PH0418A_Crooke's_Radiometer.jpg
PH0418A_Crooke's_Radiometer.jpg

Crooke's Radiometer

A$27.95

Code: PH0418A

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An instrument that dates back to 1876, with a 70mm (approx.) glass bulb mounted on a sturdy plastic moulded base.
The partly evacuated bulb contains black and white veins. Each vein is blackened on onse side, while the reverse side is bright.
Stands over 17cm tall.