4' Slide rule - $160 (Commack)

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Teaching prop by Welch, it works and you can use it, great condition with hanging tabs and back rubber bumpers. sliderule ruler slideruler calculator engineering math mathematics design calculate teach school college

post id: 7927629556

posted: 2026-04-14 07:07

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4' Slide rule - collectibles - by owner - sale - craigslist

Teaching prop by Welch, it works and you can use it, great condition with hanging tabs and back rubber bumpers. sliderule ruler slideruler calculator engineering math mathematics design calculate...