Date: Tue Nov 10 15:53:05 2009

Author: Richard Berg

Subject: Re: Ruben's Tube

Post:

Try:

http://www.physics.umd.edu/lecdem/services/demos/demosh3/h3-17.htm

has links to three designs.

Dick
***********************************************************************
Dr. Richard E. Berg, Professor of the Practice
Physics Lecture-Demonstration Facility
U.S. mail address:
Department of Physics
University of Maryland
College Park, MD 20742-4111
Phone: (301) 405-5994
FAX: (301) 314-9525
e-mail reberg@umd.edu
www.physics.umd.edu/lecdem
***********************************************************************

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