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| Formato: | Libro |
|---|---|
| Lenguaje: | inglés |
| Materias: | |
| Etiquetas: |
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| era | |
|---|---|
| format | Book |
| genre | |
| geographic | |
| id | aae623dc-bfa1-4719-ba44-fe95effe4ee4 |
| isbn | |
| issn | |
| language | eng |
| physical | 22 pages, 1 unnumbered folded leaf of plates :illustrations ;23 cm |
| publication | – publisher: Union Switch Signal Co dateOfPublication: 1920 |
| publishDate | 1920 |
| subjects | |
| title | Remote control of outlying switches. |
| topic | Railroad switches. Railroad tracks. |