Large Glass Radiometer / Light Mill
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Large Glass Radiometer / Light Mill A classic style large glass radiometer consisting of a set of black and white vanes inside a partially vacuumed, airtight glass bulb. The radiometer, also known as a light mill, responds to the intensity of light it is exposed to. The vanes rotate on a spindle, gaining in speed the more intense the light is. This radiometer comes in high quality, branded packaging to create a first-rate gift-ware item. H 27 cm x W 10.5 cmPerfect for a special gift or to enhance your home
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