Surveying altimeter No 1, invented by Hall Colby, New York, United States, 1854-1870
Details
- Category:
- Surveying
- Object Number:
- 1984-2
- type:
- surveying altimeter
- credit:
- Antiquarian Scientist
Surveying altimeter No 1, invented by Hall Colby, New York, United States, 1854-1870