Rajesh Rajguru

numerical on trignometric leveling determination of difference in elevation by recipr determination of difference in elevation by single axis signal correction angular correction for curvature and refraction terrestrial refraction definition of trigonometric leveling design patent in india ipr comparision of map & aerial photograph & types of classification of aerial photogrammetry objectives of aerial photogrammetry defination of aerial photogrammetry parallax bar mirror stereoscope mosaic flight planning ground control point relief displacement in vertical photograph scale of vertical photograph