for measuring movement of the track or of components thereof under rolling loads, e.g. depression of sleepers, increase of gauge

Full Title

Applications of measuring apparatus or devices for track-building purposes > for measuring movement of the track or of components thereof under rolling loads, e.g. depression of sleepers, increase of gauge

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Subclass:

PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS