McFarlane's calculating cylinder
McFarlane's calculating cylinder
Details
- Category:
- Mathematics
- Object Number:
- 1923-471
- Materials:
- box (wood), wood (unidentified) and metal (unknown)
- Measurements:
-
overall: 160 mm x 57 mm diameter, 0.182 kg
- type:
- ready reckoner
- credit:
- Thomas H. Court