object
Plane table
A named drawing board on a tripod for mapping bearings directly in the field with an alidade. Not a theodolite alone, not a published map dump, and not a bare drafting table.
Also known as Planetable · Plane-table board
object
A named drawing board on a tripod for mapping bearings directly in the field with an alidade. Not a theodolite alone, not a published map dump, and not a bare drafting table.
Also known as Planetable · Plane-table board