To increase scope of rail testing activities, San Fe is using u-h-f sound waves as transmitted by Audigage flaw detectors; with them road is inspecting rails within limits of joint bars, main line frogs and switchpoints, and rails within limits of highway crossings and other installations where rail web is obstructed; instrument weighs 11 lb and is carried on operator's back.
How Santa Fe uses portable rail testers
Ry Eng Maintenance
Railway Engineering and Maintenance ; 47 , n 6
1951
Article (Journal)
English
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