WHIRLPOOL IN A TUMBLER.
Fill a tumbler with water and then throw some thin elmvingw. of camphor on the surface. They will begin to move about and frivo the appearance of a miniature whirlpool, the movement continuing for some time. But if anything greasy is dipped into the water the particles of camphor will dart to the side of the glass and the movements will cense.
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Bibliographic details
Auckland Star, Volume LXIX, Issue 136, 11 June 1938, Page 2 (Supplement)
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66WHIRLPOOL IN A TUMBLER. Auckland Star, Volume LXIX, Issue 136, 11 June 1938, Page 2 (Supplement)
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