Bearing compass [1]
MAG04.jpg
Origin:
Location:
Date:
1850 (c.)
Dimensions:
Disk diameter : 12cm, Height : 32cm
English
Inventory Number:
MAG04
Instrument Categories:
- Demonstration apparatus [4]
- Geodesy [5]
Used at the First Gymnasium of Athens, Plaka.
It consists of a horizontal circle, a magnetic needle and sights, set on a tripod with levelling screws.
Functioning:
Sighting an object thrugh the sights gives the bearings of the object.