Unit conversion slide rule and metric unit converter in slide-rule format, plastic, made in 1975 by IWA-Rechenschieberfabrik, Esslingen, West Germany
Details
- Category:
- Mathematics
- Object Number:
- 1987-357
- Materials:
- plastic (unidentified)
- type:
- ready reckoner
- credit:
- Imperial College of Science and Technology (Lyon Playfair Library)
