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Powered by light - just place it in the sun or beside a lamp and the vanes will start spinning.
Only $12.95 Canadian (approx. $8.95 U.S.)
If you search the web you will soon find that there are countless scientific articles theorizing about how the radiometer works. Whether you want it as a toy or scientific curiousity, order soon...our stock is limited, and our supplier has closed shop.
21 Market ST. N., PO Box 606, Smith Falls,
Ont. K7A 4T6, Canada
Tel: (613) 283-5195 Fax: (613) 283-0637
Email: rftech@falls.igs.net
© 3125661 Canada Inc.