Circular slide rule by Pickett
- manufacturer:
- Pickett
Circular slide rule by Pickett, metal and plastic, in leather pouch with instruction booklet
Details
- Category:
- Mathematics
- Object Number:
- 1985-275
- type:
- circular slide rule
- credit:
- Crosby, R.C.
Circular slide rule by Pickett, metal and plastic, in leather pouch with instruction booklet