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Incorporated, a worldwide network of science museums and related institutions.
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I need to build a 2 axis slider to move a magnifying lens around a
large graphic (think of 'where's waldo'). I plan on using linear
bearings and wanted to know from those of you with experience what
might be the best way to control the friction in the movement (so an
over-exuberant 7 year old, like my son) can't wind up and sling it
from one side to the other.....
Thanks in advance,
Jeff
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