Paper calculating slide rule ("Paper Facts and Figures") by Blundell Harling Ltd.

Made:
Weymouth
Paper calculating slide rule (Paper Facts and Figures') by

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Paper calculating slide rule (Paper Facts and Figures') by
Science Museum Group
© The Board of Trustees of the Science Museum

Paper calculating slide rule ("Paper Facts and Figures") by Blundell Harling Ltd., Weymouth in box with instructions and half-cylinder plastic magnifying glass

Details

Category:
Mathematics
Object Number:
1985-66
type:
ready reckoner (paper)
credit:
Aldwych Paper and Board Limited