Hemmi 'Sun' (20-inch) slide rule with cardboard case
Details
- Category:
- Mathematics
- Object Number:
- 1998-448
- Measurements:
-
overall: 15 x 565 x 45 mm
- type:
- slide rule
- credit:
- Mr J.C. Michie
Hemmi 'Sun' (20-inch) slide rule with cardboard case