Multiple vial universal flange level assembly for flanged pipes
Multiposition level
Multipurpose combination leveling tool
Multipurpose retractable leveling device
Navigational instrument for controlling the stability of a mobil
Non-contact electronic level
Non-contact electronic level
Offset, extendable, quick-release plumbness indicating apparatus
Omnidirectional angle indicator
Omnidirectional torpedo level having magnetic mounts and...
One-man field survey instrument
Open circuit leveling measuring system
Optical sensor for measuring inclination angles
Orientation sensing apparatus
Orientation sensor
Orientation sensor
Orientation sensor
Orientation sensor utilizing intra-pattern property...
Orientation sensor utilizing intra-pattern property...
Orientation sensor utilizing intra-pattern property...