| Book | Save | ||
| 1 | Title: | Alternating current block signals on the Southern Railway | |
| Creator: | Eck, W. J. | ||
| General Railway Signal Company | |||
| Publication: | General Railway Signal Co, Rochester, NY,1913. | ||
| Call #: | TF630 E19 | ||
| Extent: | 51 p. : ill., fold. diagr. ; 24 cm. | ||
| Subjects: | Southern Railway (U.S.) | Railroads -- Signaling -- Block system | ||
| View Full Catalog Record | |||
