A dumpy level is a surveying instrument used to establish or measure horizontal levels and height differences between points on the ground.
FEATURES
•Consists of a telescope fixed rigidly to its supports, so it cannot rotate about its longitudinal axis.
•Mounted on a leveling head with foot screws for precise adjustment.
•Equipped with a spirit bubble (bubble tube) to ensure the line of sight is perfectly horizontal.
Usually mounted on a tripod stand.