Apparatus for making multiple orientation measurements in a dril
Apparatus for measuring inclinations of a component
Apparatus for measuring lateral inclination of a roadway with er
Apparatus for measuring the gradient or inclination of a surface
Apparatus for measuring vertical displacement
Apparatus for remotely indicating angular position
Apparatus for sensing and/or measuring changes in inclinations
Apparatus for setting a horizontal plane by means of a level
Apparatus for the non-contact measurement of a track gage
Apparatus with gyroscopes and accelerometers for determining...
Archery sight
Archery sight
Arrangement for aligning an apparatus unit
Arrangement for compensating for magnetic declination in an opti
Arrangement for orientation during journeys in land vehicles
Arrangement serving to indicate the direction of a given geograp
Assembly for plumb bob and line
Assembly, testing and repair universal stand for motor vehicles
Asymmetrical plumb bob and method
Attachable level indicator