Type of levelling staff ! Levelling staff ! Telescopic staff ! Folding staff ! Self reading staff !
15:59
Balancing of fore sight and back sight ! Benifit of balancing fore sight and back sight
33:03
Method of levelling ! Height of instrument method ! Rise and fall method ! Leveling lecture ! Survey
23:55
Leveling difficulties ! Levelling ! Leveling at ascending a hill ! Leveling at decending a hill !
12:36
Telescope of levelling machine ! internal telescope ! external telescope ! eye piece ! cross hair
9:00
Survey lecture ! Leveling lecture ! Bench mark ! Permanent bench mark ! GTS bench mark ! Balveer sir
19:19
Leveling ! Fundamental line of level machine ! dumpy level ! Balveer sir
30:40
TYPES OF SUPPORTS
17:09