The First Mouse
Invented by Doug Engelbart in the early 1960s at Stanford Research Institute (SRI), it used two moving wheels 90 degrees apart. Most mechanical mice are still made this way, but the wheels are inside, and the ball moves the wheels. (Image courtesy of The Bootstrap Institute.)
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.Copyright © 1981-2010 by Computer Language Company Inc. All rights reserved.
One Size Does Not Fit All
The Contour Perfit mouse comes in five right-hand and three left-hand sizes for a perfect fit. It also puts less strain on the "clicking finger," which is a major contributor to carpal tunnel syndrome. (Image courtesy of Contour Design, Inc., www.contourdesign.com)
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.Copyright © 1981-2010 by Computer Language Company Inc. All rights reserved.
A Variety of Critters
All kinds of mouse designs have come and gone over the years. (Image courtesy of Palo Alto Research Center (PARC), Brian Tramontana, Photographer.)
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.Copyright © 1981-2010 by Computer Language Company Inc. All rights reserved.

A cute little white mouse.
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