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Reply to "Book: Solution of Railroad Problems Using the Slide Rule"

That's a very cool book!

My dad was a mechanical engineer, and lived by his slide rule. I remember him working at home every Saturday on the Expand-A-Way, poring over his blueprints, drawings and plans, slide rule in hand. I still have my high school K&E slide rule and instruction booklet. Haven't really looked at them in over half a century.

Last edited by jay jay
OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
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