| 其他書名 | Together with Appendices on the Structure of Some Timber Ties, Their Behavior, and the Cause of Their Decay in the Road Bed; on Wood Preservation; on Metal Ties; and on the Use of Spark Arresters |
| 出版 | U.S. Government Printing Office, 1887 |
| URL | http://books.google.com.hk/books?id=3ZymmeSb1ggC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |