File talk:Sound of falling beads lab.gif
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Please improve this image as per a discussion at
A question about contributing the work of students in my class.
at:
http://commons.wikimedia.org/w/index.php?title=Commons:Village_pump/Copyright&oldid=147978721
Or try this link:
--Guy vandegrift (talk) 17:30, 26 January 2015 (UTC) (Later edited --Guy vandegrift (talk) 19:07, 26 January 2015 (UTC))