my dad taught me how to use this in the late really dad? Now I don't think my kids will ever know how to use a map, tape deck, and card file in the library
RARE Keuffel & Esser K&E 20 Inch Wooden Engineering Slide Rule WWII Era Pre 1943
Circular slide rule with scales suitable for use in motor industry. | eBay!
Before the smartphone, the laptop and the pocket calculator, there was a powerful mechanical computer. Our new series, Tools of the Trade, begins with a look at the slide rule.
Details about Vintage Slide Rule Multi Web Mantissa DDR Germany Dresden Taschenrechenstab Old
Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up i…