Resume of new equipment acquired by Pennsylvania Railroad.
Some 1930 railroad developments
Matls. Handling Distribution
Materials Handling and Distribution ; 5 , n 4
1931
8 Figs.
Aufsatz (Zeitschrift)
Englisch
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Railroad transportation, 1900-1930
Engineering Index Backfile | 1930
Engineering Index Backfile | 1931
|1930 sees rapid strides in railroad electrification
Engineering Index Backfile | 1931
Engineering Index Backfile | 1931
|Engineering Index Backfile | 1931
|