| Author: | General Electric Company |
| Subject: | TF, Subways -- United States, Railroads, Elevated -- United States |
| Format: | Text |
| Date issued: | 2017 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Metropolitan Subway and Elevated Systems : Bulletin 49 [electronic resource] / General Electric Company |