164471 ⎘
Measuring inclination, e.g. by clinometers, by levels by using rolling bodies, e.g. spheres, cylinders, mercury droplets cylinders
PRECISE BEARING MEASUREMENT DEVICE
#2Vial with Improved Visibility for Level
#3Vial with improved visibility for level
#4TILT INDICATOR
#5Device for determining orientation of an object
#6Vial with improved visibility for level
#7Method and apparatus for testing roll together
#8Vial with improved visibility for level