Baltimore and Ohio Railroad, North America. Ladder of inclines over Boardtree Hill which allowed two carriages at a time from a full train to be shunted up an over the hill. This system operated until the Kingwood Tunnel was driven through the Alleghany Mountains. Baltimore and Ohio Railroad. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Taille de l’image : | 3978 px × 2635 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |