Box for planimeter by Oppikofer and Ernst
- Object Number:
- 1974-543 Pt1
- type:
- instrument case
Planimeter of Oppikofer and Ernst cone-and-disc type, as improved by Morin, made by Clair, Paris c. 1850
Parts
Planimeter of Oppikofer and Ernst cone-and-disc type, as improved by Morin, made by Clair, Paris c. 1850
