vintage circular and flat slide rule with case white background
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
vintage circular and flat slide rule with case white background |
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| navigate by keyword : antique background business calculate calculator calculus case circular closeup computer concept cursor direction education engineer engineering equipment fashioned flat instrument isolated logarithm logarithmic logarithms macro mathematical mathematics measure measurement mechanical number object obsolete old pocket retro rule ruler scale science slide small technology tool vintage white |
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| Vintage circular and flat slide rule with case on white background. Designed for arithmetic and trigonometric calculations. Very compact and convenient |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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