| Author | Eck, W. J.
|
| Title | Alternating current block signals on the Southern Railway / W.J. Eck.
|
| Published | Rochester, NY : General Railway Signal Co., 1913.
|
| Description | 51 p. : ill., fold. diagr. ; 24 cm.
|
| Series | Bulletin (General Railway Signal Company) ; 126.
Bulletin / General Railway Signal Company ; 126, Dec. 1913.
|
| Subjects | Railroads -- Signaling -- Block system.
Southern Railway (U.S.)
|
| Organizations | General Railway Signal Company.
|
| Other Titles | Cover title: Alternating current signals on the Southern
|
| Call Number/Copies | |
| | WRHS Research Library: TF 630 E19
mq222981: LC class, closed stacks [status: NON-CIRCULATING] |
| [Record 134316] |
|