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Non-Commercial Use
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Category
Mathematics
2
Maker
Dietzgen
1
Pickett
1
Object type
circular slide rule
2
Place
Chicago
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Chicago, Illinois, United States
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United States
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complete
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paper
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synthetic leather
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Midget circular slide rule by Dietzgen
1955
Circular No.101C dial slide rule with sythetic leather case and instructions
1965-70
