>The MIT Museum is preparing an exhibit proposal that would include a public
>kiosk running a CD-ROM, and I am looking for some information on heavy duty
>trackballs (for a Macintosh). If anyone had a source for this item, I'd
>appreciate hearing from you.
>
You can get trackballs made for the video arcade industry from Happ
Controls. They have trackball interface kits for the MAC (ADB) and PC
(serial port). Happ is also a good source for heavy duty pushbuttons.
Happ Controls
(847)-593-6130
www.happcontrols.com
Fredric J. Raab
Interactive Media for Museums
Cambridge, MA, USA
[log in to unmask]http://www.tiac.net/users/fraab