Aerial position finder; simple altazimuth theodolite
Aerial position finder, a simple altazimuth theodolite, early 20th century
- Object Number:
- 1920-583 Pt1
- type:
- theodolite
Aerial position finder, a simple altazimuth theodolite, early 20th century
Aerial position finder, a simple altazimuth theodolite, early 20th century
Components