Dark-banded vial for use with level
Device for detecting positional changes
Device for determining angle of inclination of ship
Device for determining cants for skiers and method of use
Device for determining the inclination of a plane with respect t
Device for indicating a horizontal direction and one or more ang
Device for measuring or controlling change of level between seve
Device for measuring or detecting the degree of inclination of a
Device for setting and retaining a fixed direction
Device for setting inclination
Device for taking measurements for sewing
Device to determine hair cutting angle
Digit level devices and methods
Digital angle indicator
Digital electronic inclination gauge
Digital head-out level
Digital inclinometer
Digital inclinometer
Digital inclinometer and related methods
Digital level detector apparatus convertible for remote sensing