Apparatus and method for measuring insulated track joint resista
Brush assembly for magnetic induction test apparatus
Electromagnetic gage sensing system and method for railroad...
Electromagnetic system for railroad track crack detection...
Magnetic detection of discontinuities in railway rails using...
Magnetic resonance force microscope for the study of...
Measurement of residual and thermally-induced stress in a rail
Method for detecting gaps to be bridged in the power supply of a
Transverse crack detection in rail head using low frequency...