Electric plant protecting structure over Chicago River. Interesting application of modern apparatus. (2500 w.) (79879)
New C. and N. W. Bascule bridge interlocking
Ry Sig Engr
1917
Ills.
Article (Journal)
English
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Interlocking plant at Bascule Bridge over Falsterbo Canal
Engineering Index Backfile | 1946
|Engineering Index Backfile | 1948
Engineering Index Backfile | 1949