Illustrates and describes this convertible dump car and its operation. (2200 w.)
The hart convertible ballasting and freight car, and the work of ballasting track
Eng News
1905
Article (Journal)
English
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Engineering Index Backfile | 1900
Engineering Index Backfile | 1906
Engineering Index Backfile | 1901
Engineering Index Backfile | 1899
|Ballasting mile of track a day
Engineering Index Backfile | 1936