#5,432,217 (-16%) - sliderule.ca
Title: Eric's Slide Rule Site
Description: Personal collection of slide rules, along with various resources including general background information, manuals, books, restroration tips, links and more.
Keywords:slide rule, slide rules, sliderule, slide ruler, K&E, K+E, keuffel, esser, keuffel & esser, pickett, post, sun, hemmi, hughes owens, geotec, nestler, faber castell, concise, eco bra, staedtler, mannheim, oughtred, logarithm