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From: mrn@eplunix.UUCP (Mark R. Nilsen)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Trackball
Message-ID: <1027@eplunix.UUCP>
Date: 6 Feb 91 18:50:06 GMT
References: <89.27AB6128@busker.fidonet.org>
Organization: Eaton-Peabody Lab, Boston, MA
Lines: 38

in article <89.27AB6128@busker.fidonet.org>, Mark.Hollingsworth@f1.n354.z1.FIDONET.ORG (Mark Hollingsworth) says:
> 
>>> 
>     Hi, I have a friend who wants advice on a trackball. He just purchased a
> Mac Classic, and he has a disability from WW II  , which makes it hard for him
> to move his hand and click with the mouse. So, I suggested a trackball, and
> am
> wondering which is most comfortable specially for someone slightly handicapped
> in the hand. I heard good things about the new Curtis. He would like to get
> an
I have used both the Curtis and the Kennsington.  The Curtis has a
draw back in that one has to push the buttons further down to get a
click (Too far in my opinion).  As a plus,  you can get a foot
switch.  This may be just the thing for someone with hand control problems.

The Kennsington has a better over-all feel, but only has two
buttons.
 
As an extra aside the Curtis has an odd engineering kludge
to keep the ball from depressing the left button when doing a
particularly energetric mouse-move.  Look for a small plastic flange
on the lower left of the socket.  This isn't visible in there
actual-size adds, but the button to ball proximity is.

In summary I would recomend the Kennsington first but the footswitch
on the Curtis may be just the thing for your friend.

The prices tend to be.

	Kensingtom  129.00

	Curtis	89.00
	Footswitch for Curtis is 29.00

--Mark.

PS. I did some research and found the the balls are the same size as
pool balls.  Just a customization idea.