chapter 4. profile measurements using the rod and level - Federal .4.1 INTRODUCTION . The rod and level used in routine surveying and road construction will generally .. Thereafter, level the instrument using leveling screws.introduction about leveling device,Levelling-Theory - sr dr tan liat choonDefinition. ❖ The process of finding the elevation at a specified location relative to another known .. Most common levelling instrument today is the Automatic or.
introduction about leveling device