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Subject
Railroads (3)
Factories (2)
Tunnels (1)
Railroad Crossings (1)

Date
1908 (2)
1891 (1)
1906 (1)

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 Image: Title: Subject: Description:
1. Underground freight system Underground freight system Tunnels; Railroads Caption: "Loaded freight train at street intersection". From text: "Chicago's great subway, or underground freight railroad, is now ready for operation. It is the most complete and extensive of any tunnel...
2. Railroad crossing bells Railroad crossing bells Railroad crossings Caption: "Hall Signal Co." From text: "The Hall Signal Co. of 50 Broadway, New York, and 340 The Rookery, Chicago, are manufacturers of all kinds of Electric and Mechanical Signaling apparatus for railroads....
3. Brake beam department Brake beam department Railroads; Factories Caption: "Brake Beam Department--North". The Chicago Railway Equipment Company was established in 1887, and in its first twenty years of operation it produced and sold over six million brake beams. (Source:...
4. Brake beam department Brake beam department Railroads; Factories Caption: "Brake Beam Department--South". The Chicago Railway Equipment Company was established in 1887, and in its first twenty years of operation it produced and sold over six million brake beams. (Source:...
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