Tunnel is 4 3/4 miles in length, being longest in U. S. Renewal of overhead equipment under traffic.
New catenary construction for the hoosac tunnel
Ry. Elec. Engr
Railway Electrical Engineer ; 12 , n 1 ; p 17-20
1921
4 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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Renewal of the catenary construction in the Hoosac tunnel
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