Apparatus and method for inspecting a bearing ball

Apparatus for detecting presence of metal strand in paper

Apparatus for measuring dynamic saw blade flutter

Apparatus for non-contact dynamic inspections of a plurality of

Apparatus for use in an optical system, including a movable shut

Apparatus having floating magnet unit with light reflecting mirr

Bore hole direction measuring instrument control

Cable eccentricity gauge including an E-shaped core and a sensor

Calibration method for magnetically enhanced reactive ion...

Continuous testing method and apparatus for determining the magn

Control circuit for variable characteristic rotating eddy curren

Device for use in eddy current testing for transmission of signa

Eddy current apparatus and method for controlling a rod mill on

Eddy current inspection tool which is selectively operable in a

Electric and magnetic field detection device and electric...

Electronic proximity sensor which is responsive to induced resis

Ferrous metal detector for detecting a broken mandrel in a cold

Guide device for testing elongated objects

Harmoic flux gate magnetometers and gradimeters and windings

Human appendage mounted metal detector