Forgotten and Unseen Electronics Part 1

Back in 1952 Tom Cranston invented the world's first trackball which used a 5 pin bowling ball. It was used for a military project called DATAR. It was never patented because DATAR was a secret military project. You can read about it here at wikipedia The Story
     Posted By: phantomspy1 - Thu May 28, 2009

that would require a really big desk to use! 😉
Posted by Patty in Ohio, USA on 05/28/09 at 09:00 PM
Dude, be more careful about copyright infringement. You copied the wikipedia article almost word for word, and the image, did you look at this?
Posted by chris_cantwell in Trevor, WI on 05/28/09 at 09:50 PM
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