
![Rietz 109 Aristo slide rule [20-Inch], with accessories](https://coimages.sciencemuseumgroup.org.uk/326/744/medium_smg00046712.jpg)
Rietz 109 Aristo slide rule [20-Inch], with accessories, instruction leaflet and cardboard case.
Details
- Category:
- Mathematics
- Object Number:
- 1997-2283
- Measurements:
-
overall: 9 x 580 x 42 mm
- type:
- slide rule
- credit:
- Mr Hans Dennert