Illustrated description of the catenary construction, repair shops and operating features of this single-phase alternating-current system. (4500 w.) (No. 24821)
Electrification of the hoosac tunnel
Elec Ry Jour
1911
Article (Journal)
English
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Engineering Index Backfile | 1928
Hoosac tunnel interlocking and C.T.C.
Engineering Index Backfile | 1947
Report on hoosac tunnel collision
Engineering Index Backfile | 1912
New catenary construction for the hoosac tunnel
Engineering Index Backfile | 1921
Boston and Maine repairs trolley supports in Hoosac Tunnel
Engineering Index Backfile | 1932
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