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Antique Engineering Geo. W. Richardson Direct Reading Slide Rule Chicago 1911

Antique Engineering Geo.  W.  Richardson Direct Reading Slide Rule Chicago 1911 Engineering photo   Category : Science & Medicine (Pre-1930) > Engineering
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Antique Engineering Geo.  W.  Richardson Direct Reading Slide Rule Chicago 1911 Engineering photo 1Antique Engineering Geo.  W.  Richardson Direct Reading Slide Rule Chicago 1911 Engineering photo 2Antique Engineering Geo.  W.  Richardson Direct Reading Slide Rule Chicago 1911 Engineering photo 3Antique Engineering Geo.  W.  Richardson Direct Reading Slide Rule Chicago 1911 Engineering photo 4
Antique Engineering Geo.  W.  Richardson Direct Reading Slide Rule Chicago 1911 Engineering photo 5

    

Uploaded by katya-gord on Sep 13, 2016
        
Known Information
Category : Science & Medicine (Pre-1930) > EngineeringItem Id: 168512
Year: 1911Creator: Geo. W. Richardson
Type: Slide Rule
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