Machines, operation, results. (9000 w.) (No. 65148 N)
Ballast tampers for railway ties
Bul Am Ry Engng Assn
1915
Ills.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
How coded rail actuates tampers
Engineering Index Backfile | 1965
Unit tie tampers in section work
Engineering Index Backfile | 1941
Machines recover old ties and ballast
Engineering Index Backfile | 1951
Machines recover old ties and ballast
Engineering Index Backfile | 1951
Engineering Index Backfile | 1911