Phil,
Although I don't want to sound 'old fashioned', would some kind of
basic 'pully' system help in which a cord could be pulled and hooked
round something to keep the lid open?
If the student could lift but not hold the lid, I'd suggest sticking
some velcro (like used on keyguards) onto to lid and making a small
wooden frame behind the scanner. The 2nd piece of velcro could then
be stuck to the frame, thus holding the lid up. The only problem is
it would require arm strength, but it may help those with
co-ordination problems like me.
Sarah
http://sargon.mmu.ac.uk/sarah.html
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