A double Crookes radiometer with 2 counter-rotating blades. Due to temperature changes, such as the sun, the two blades rotate in opposite directions. Height 28 cm.
Van Leest Antiques specializes in antique scientific instruments. Enthusiasts of technical and medical instruments , nautical instruments , globes and planetariums , mercury barometers, anatomical models , and pharmacy items are ensured to have a great day at Van Leest Antiques in Utrecht. Van Leest regularly attends trade fairs, auctions and dealers in Europe to collect new products. You can find the store at the edge of the center in Utrecht.
Van Leest Antiques
3511 LL Utrecht
Only by appointment during afternoons on Wednesday through Saturday. You can contact us by mail or telephone.
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