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  • Web 776x800px 27.37cm x 28.2cm@72dpi
  • HQ 4849x5000px 41.05cm x 42.3cm@300dpi


Glass radiometer, Crooks type. To convert radiating energy into kinetic energy. Winged cross with 4 mica plates blackened on one side, on a rotating shaft in an evacuated glass vessel. Height 210 mm, diameter of sphere 70 mm.

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