After 21 years of service, corrosion necessitates application of new tape and asphalt cement on bracket bars; relatively few roof bolts need replacement; special work train provided.
Boston and Maine repairs trolley supports in Hoosac Tunnel
Ry Elec Engr
Railway Electrical Engineer ; 23 , n 5
1932
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Electric traction in the Hoosac tunnel; Boston and Maine R. R.
Engineering Index Backfile | 1911
Engineering Index Backfile | 1928
Hoosac tunnel interlocking and C.T.C.
Engineering Index Backfile | 1947
Report on hoosac tunnel collision
Engineering Index Backfile | 1912
Electrification of the hoosac tunnel
Engineering Index Backfile | 1911