The graduated ring of a prismatic compass is graduated in

The process of putting the plane table into some fixed position so that a line representing certain direction of the pla…

The V-shaped contour represents

An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called

Imaginary line passing through points having equal magnetic isogonic line declination is termed as

Finding the location of the station occupied by the table, on the sheet by means of sighting to three well defined point…

Contour interval is

The angle of intersection of a curve is the angle between

An imaginary line on the surface of the earth having a constant inclination with the horizontal (slope) is called