Prismatic magnetic compass, British, 1810-1826
Prismatic magnetic compass in leather case by Charles Auguste Schmalcalder, Strand, London, England, 1810-1826
Details
- Category:
- Surveying
- Object Number:
- 1905-155 Pt1
- Materials:
- case, brass and card, paper, green
- Measurements:
-
diameter 70 mm
overall, open: height 79 mm
- type:
- prismatic compass and magnetic compass
- credit:
- Stevens, J.C.