object
Mural quadrant
A named wall-mounted quarter-circle for meridian altitude measures in observatory practice. Not a published quadrant alone, not a theodolite, and not a shipboard octant.
Also known as Wall quadrant · Mural astronomical quadrant
object
A named wall-mounted quarter-circle for meridian altitude measures in observatory practice. Not a published quadrant alone, not a theodolite, and not a shipboard octant.
Also known as Wall quadrant · Mural astronomical quadrant