A laser projector on a trolley, used in conjunction with a receiver placed on the tamper's front trolley, has been undergoing trials on a number of US railways. It has been found to given an accurate reference in aligning tangent track and is 50 percent faster than conventional methods.
Laser projector speeds track lining
Laserprojektor beschleunigt Gleislegung
Railway Gazette International ; 138 , 4 ; 293
1982
1 Seite
Article (Journal)
English
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