inclinometer

An instrument used to determine the angle of the earth’s magnetic field in respect to the horizontal plane.

An instrument for showing the inclination of an aircraft or ship relative to the horizontal.

In magnetism, an apparatus for determining the vertical component of the earth’s magnetic force.

An instrument for ascertaining the slope of an embankment; a clinometer or batter-level.

An instrument that displays the angle of an aircraft relative to the horizon

An instrument that measures magnetic dip; a dip circle

A surveying instrument that measures angles of inclination or elevation; a clinometer

an instrument used by surveyors in order to measure an angle of inclination or elevation

an instrument showing the angle that an aircraft makes with the horizon