Midget circular slide rule by Dietzgen
- Made:
- 1955 in United States
Midget circular slide rule by Dietzgen with instruction leaflet and case
Details
- Category:
- Mathematics
- Object Number:
- 1998-227
- Measurements:
-
overall: 10 x 110 cm
- type:
- circular slide rule
- credit:
- Mr John Peart