Pocket altazimuth compass-clinometer, British, 1871-1893
- maker:
- Casella, L. P. and Francis Galton
Pocket altazimuth compass-clinometer with improvements by Sir Francis Galton, made by L. Casella, Holborn, London, England, 1871-1893
Details
- Category:
- Surveying
- Object Number:
- 1893-148
- Materials:
- casing, brass, painted, casing, glass, casing, steel, case, wood, case, leather, case, velvet and case, silk
- type:
- variation compass, magnetic compass and clinometers
- credit:
- Casella, Louis Paschal