a method of surveying in which distances are read by noting the interval on a graduated rod intercepted by two parallel cross hairs (stadia hairs or stadia wires) mounted in the telescope of a surveying instrument, the rod being placed at one end of the distance to be measured and the surveying instrument at the other.
pertaining to such a method of surveying.
tacheometry that makes use of a telescopic surveying instrument and a graduated staff calibrated to correspond with the distance from the observer
(as modifier): stadia surveying
the two parallel cross hairs or stadia hairs in the eyepiece of the instrument used
the staff used
a plural of stadium
noun 1. stade. adjective 2. of or relating to a stade or stades.
noun, Surveying. 1. rod (def 19). noun 1. a stick, wand, staff, or the like, of wood, metal, or other material. 2. a straight, slender shoot or stem of any woody plant, whether still growing or cut from the plant. 3. fishing rod. 4. (in plastering or mortaring) a straightedge moved along screeds to even […]
noun 1. an instrument for determining the distance between an observer and an object of known height by measurement of the angle subtended by the object.
noun 1. an instrument that measures the length of curves, dashes, etc, by running a toothed wheel along them