Vintage Clark Fluid Controls Steam Trap Selector Sliderule.

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Vintage Clark Fluid Controls Steam Trap Selector Sliderule.:
$1.94

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Great Slide Rule for the collector. Very specialized tool from the Clark Manufacturing company with a 1948 copyright date. Measures about 10 x 4 1/2 inches. Great rate find. saleeer with many vintage slide rule offerings.

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Vintage Clark Fluid Controls Steam Trap Selector Sliderule.:
$1.94