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Subject:
From:
Jeff Courtman <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Thu, 17 Sep 2009 09:45:06 -0500
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************

We have a sub-contractor who claims to have had numerous problems  
with Happ Trackballs being troublesome (bearings not engaging  
smoothly); I've had the opposite experience.  Nevertheless, since he  
is responsible for the interface, I'm wondering if a) you've had  
mechanical issues with the Happ controller, other than routine  
cleaning and b)if you've used other panel mount trackballs with  
success that I can direct him towards.

We're using a Mac in this case, so it needs to be USB compatible, and  
it needs to have at least one pushbutton, or pushbutton interface.

Thanks....

	



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