Probe for the continuous in-situ measurement of the corrosion ra
Probe system for measuring the condition of materials
Probes and apparatus for and methods of measuring crack depths
Probes for measuring apparatus
Process and apparatus for electromagnetically locating and ident
Process for the capacitive measurement of lengths and of angles
Process for the measurement of the specific capacity of a cable
Progressively shorted tapered resistance device
Projected display for portable sensor indicating the...
Protective housing and mounting apparatus for capacitive-type pr
Pulse duration modulated signal transducer