Vintage SUN HEMMI Bamboo Slide Rule No.251 Made in Japan

Vintage PICKETT All Metal Pocket Slide Rule with Leather Case Made In USA

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Vtg AHREND Sun Hemmi Japan Slide Rule W/ Case No. P280 Netherlands

VINTAGE FREDERICK POST 1447 SLIDE RULE SUN HEMMI JAPAN - BAMBOO WITH CASE

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SUN HEMMI Vintage Bamboo Slide Rule Made in Japan with Magnifier & Leather Case

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