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3
Non-Commercial Use
3
Category
Mathematics
3
Object type
ready reckoner (paper)
3
Maker
Blundell Harling Limited
1
Facts and Figures limited
1
John Rennie
1
Rennie, John
1
Place of origin
England
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England, United Kingdom
1
Weymouth
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Weymouth, England, United Kingdom
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Paper calculating slide rule ("Paper Facts and Figures") by Blundell Harling Ltd.
Thomlinson's equivalent paper slide rule
Paper calculating ready reckoner rule
1965-1970
