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There are 3 comments for this item.

Posted by chrisbroz at 9:10 am (PST) on Sun January 3, 2016
The Sam Cooke song "Wonerful World"....Don't Know much 'bout History...don't know what a slide ruler's for..."
Posted by CJ at 10:17 pm (PST) on Sat January 2, 2016
....and we brought Apollo 13 back safely doing calculation with pencil and slide rules.
Posted by chrisbroz at 5:43 pm (PDT) on Wed October 21, 2015
THANK YOU!!! ...and 'we' did it all with pencils & slide rules - no CAD or PCs...at least for the individual designers...

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