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 determining the north direction

Device for indicating a horizontal direction and one or more ang

Device for indicating direction to a predetermined locale

Device for measuring or controlling change of level between seve

Device for measuring or detecting the degree of inclination of a

Device for measuring the tightening angle on a wrench

Device for mechanically locating and reading the setting of...

Device for preventing error in a compass

Device for setting and retaining a fixed direction

Device for setting inclination

Device for taking measurements for sewing

Device for the correction of an error in the electric transmissi

Device to determine hair cutting angle

Devices for measuring the azimuth and the slope of a drilling li

Devices for the azimuth and slope scanning of a drilling line

Digit level devices and methods

Digital angle indicator