Paper calculating slide rule ("Paper Facts and Figures") by Blundell Harling Ltd.
- Made:
- Weymouth
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