Engineering features, tunnel ventilation, and technical advantages of new line, costing $60,000,000 at Pierces Apennines mountain in tunnel 11 1/2 mi. long.
New direct bologna-florence railway
Ry. Gaz
Railway Gazette and Railway News ; 54 , n 21
1931
4 pages
10 Figs.
Aufsatz (Zeitschrift)
Englisch
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