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1962 - Tank Volume Calculator Slide-Chart

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    Posted 11 years ago

    aghcollect
    (2304 items)

    This is a "Lightnin" Tank Volume Calculator Slide-Chart - it was used to measure volume capacities for various shapes and sizes of mixing and holding tanks (including railroad tanker cars). - Same concept and use as a slide-rule but for industrial "in-the-field" on sight calculations. - One side is the volume calculator and the other side is a mixing process analyzer.
    - - - -This one was used in the chemical industry (food additives and hygiene products)
    - - - - ©1962 Mixing Equipment Co. / Slide-Chart by PerryGraf, Maywood, Illinois

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