A level having a short telescope (hence its name) rigidly fixed to a table capable only of rotatory movement in a horizontal plane. The telescope is usually an inverting one. It is sometimes called the Troughton level, from the name of the inventor, and a variety improved by one Gavatt is known as the Gavatt level.
An engineer's level having a short telescope rigidly fixed to the supporting bar and vertical axis.
a survey instrument consisting of a telescope and spirit level which, used with a measuring staff, allows differences in height to be recorded.
A surveyors instrument for measuring angles and distances.
a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
an older style instrument that requires skilled use to set accurately
Level, which has a telescope and leveling vial, mounted on a rotating plate. Sight is taken through the telescope so that the point on the graduated rod that is level to the telescope can be found. The telescope is leveled using the leveling vial and then the crosshairs are lined up to a point on the rod.
A dumpy level, builders auto level, leveling instrument or automatic level is an instrument used in surveying and building to transfer, measure, or set horizontal levels.
