Discusses hand method and pneumatic method; describes some pneumatic lining done by Southern Pacific; details of operations and cost.
Lining tunnels under traffic
Ry. Maintenance Engr
Railway Maintenance Engineer ; 17 , n 11
1921
4 pages
3 Figs.
Article (Journal)
English
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Engineering Index Backfile | 1921
|Lining railway tunnels under traffic
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