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Northwestern Elevated Railroad, Interlocking Tower, Wilson Avenue, Chicago, Cook County, IL



B&W Photos

HB438846

HB438847

HB438848

HB438849


Data Pages


Photo Caption Pages


Item Title


Location
Wilson Avenue, Chicago, IL

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Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER IL-2
Building/structure dates: 1900 initial construction
Significance: A surviving example of an elevated railroad interlocking tower which is similar in design to the original towers used around the Union Loop by the Union Elevated Railroad in downtown Chicago.

Subjects
Transportation Industry
Railroad Industry
Transportation Engineering


Related Names
Northwestern Elevated Railroad Company
Chicago Transit Authority


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. VIEW OF WILSON AVENUE UPPER LEVEL INTERLOCKING TOWER. DESIGN SIMILAR TO THAT WHICH WAS ON LOOP.
2. GENERAL VIEW IN SWITCH ROOM OF TOWER SHOWING MECHANICAL INTERLOCKING LEVERS.
3. VIEW OF LOCKING BED AND LEADOUT CRANKS ON FIRST FLOOR OF TOWER.
4. VIEW OF MECHANICAL INTERLOCKING LEADOUT FROM TOWER.


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