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enorthotrope
e n o r t h o t r o p e hex:#101;#110;#111;#114;#116;#104;#111;#116;#114;#111;#112;#101;
The Salt of the World?
- Enorthotrope - n. - An optical toy; a card on which confused or imperfect figures are drawn, but which form to the eye regular figures when the card is rapidly revolved. See Thaumatrope.