New apparatus for registering relative movement of two adjacent vehicles being used in Germany for recording condition of track; specimen of track record produced by Knorr apparatus.
German track recorder
Ry Gaz
Railway Gazette and Railway News ; 61 , n 3 ; p 107-108
1934
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1930
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