object
Box sextant
A named pocket reflecting sextant in a circular box for survey and small angles. Not a published sextant alone, not an octant, and not a bare box dump.
Also known as Pocket sextant · Box surveying sextant
object
A named pocket reflecting sextant in a circular box for survey and small angles. Not a published sextant alone, not an octant, and not a bare box dump.
Also known as Pocket sextant · Box surveying sextant