Circular No.101C dial slide rule with sythetic leather case and instructions, by Pickett, Chicago
Details
- Category:
- Mathematics
- Object Number:
- 1998-468
- Materials:
- plastic, synthetic leather, paper and complete
- Measurements:
-
overall: 8 x 110 x 110 mm
- type:
- circular slide rule
- credit:
- Mr J.C. Michie