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A. B. Pippard, How to make a celt or rattleback, ''Eur. J. Phys.'' 11:1, 63-64, 1990. (The rattleback is made with a part of a glass wine bottle and a metal bar fixed at a small angle to the rolling axis)
Allan J. Boardman,The Mysterious Celt, ''Fine Woodworking'', July/August 1985
==External links==
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Physics demo instructions http://www.sfu.ca/physics/ugrad/courses/teaching_resources/demoindex/mechanics/mech1q/celt.html
http://www.tam.uiuc.edu/toys/celt/
Building a Rattleback: http://www.123too.com
Sources of Rattlebacks:
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