NOTE:
Although all of these digitized articles are 60 or more years old, and likely have minimal commercial value today, the reader should bear in mind that material dated after 1923 remains under copyright by Simmons-Boardman Publishing.
These articles and the information contained therein may be freely reproduced or used in printed or electronic form for non-commercial or educational purposes, provided the copyright holder and original author (if known) are acknowledged, and provided that such publication also refers readers to the original document on this site.
Simply making interesting material available to those who share my interest in the railway signal systems of the past has been my sole objective in this long project.
8th Avenue subway, New York, NY 1
1934 1
1934 index
4.9 MB
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Alne, England 1
Alton 3
Alton & Southern 1
Atchison, Topeka & Santa Fe 4
Atwater, MN 1
automatic block signaling 1
B&P Jct. 1
Baltimore & Ohio 3
Baltimore, MD 1
Beloit Jct., IL 1
Beloit, IL 1
Burnham, IL 1
Canadian National 2
Canadian Pacific 2
Chesapeake & Ohio 1
Chestnut Hill, PA 1
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New Signaling on the Reading
631.4 KB
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Chicago & Eastern Illinois 2
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Accident at Crossing
491.3 KB
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Lamp Ratings for Flashing Lights
695.8 KB
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Chicago & North Western 4
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Economy in Operation of Track Circuits
554.1 KB
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Lamp Ratings for Flashing Lights
695.8 KB
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Moving Interlocking Machines
1.1 MB
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Use of Dwarf Calling-On Signals
1.0 MB
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Chicago South Shore & South Bend 1
Chicago, Burlington & Quincy 3
Chicago, IL 2
Chicago, Milwaukee, St. Paul & Pacific 3
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CTC Replaces Staff on Milwaukee
2.0 MB
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Milwaukee to Use Cab Signals
699.1 KB
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The Safety Feature of Signals
456.5 KB
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Chicago, Rock Island & Pacific 3
Cincinnati, OH 1
Clifton Jct., NY 1
Clinton, IA 1
Cobourg, ON 1
Coteau, Quebec 1
Cumminsville, OH 1
Dayton Ave., Los Angeles, CA 1
desk lever interlocking 1
distant signals 1
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More on Distant Signals
598.6 KB
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Divine, IL 1
Dwight, IL 1
East Chicago, IN 1
East Dubuque, IL 1
East St. Louis, IL 1
electric interlocking 1
Elgin, Joliet & Eastern 3
Erie 1
Fairpoint, OH 1
General Railway Signal 2
Grand Trunk Western 1
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CTC Replaces Staff on GTW
2.6 MB
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Great Britain 1
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Paddington Power Signaling
1.9 MB
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Great Northern 2
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Ends of Double Track Equipped With Automatic Interlocking
987.5 KB
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Use of Marker Lamps
516.1 KB
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Great Western 1
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Paddington Power Signaling
1.9 MB
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Gulf, Colorado & Santa Fe 1
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Moving Interlocking Machines
1.1 MB
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Hastings, MN 1
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Milwaukee to Use Cab Signals
699.1 KB
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Hull, England 1
Illinois Central 2
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Accident at Crossing
491.3 KB
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Automatic Crossing Gates on Illinois Central
2.7 MB
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Independent Subway System 1
index 1
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1934 index
4.9 MB
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interlocking 3
Iola, KS 1
Joliet, IL 1
London & North Eastern 1
London North Eastern 1
London, England 1
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Paddington Power Signaling
1.9 MB
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Long Island 1
Los Angeles, CA 1
Louisville & Nashville 1
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Use of Marker Lamps
516.1 KB
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Marion, IL 1
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Accident at Crossing
491.3 KB
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Maynard, OH 1
Mazonia, IL 1
Minier, IL 1
Missouri Pacific 3
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Accident at Crossing
491.3 KB
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Automatic Interlockings on the Santa Fe
2.2 MB
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Signals at Automatic Interlockers
378.1 KB
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Mobile & Ohio 1
Model 2 electric interlocking 1
New York Central 3
New York, New Haven & Hartford 1
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Lamp Ratings for Flashing Lights
695.8 KB
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New York, NY 1
Newburgh Jct., NY 1
Omaha, NE 1
Ottawa, KS 1
Pennock, MN 1
Pennsylvania 4
Pequot, IL 1
Pere Marquette 1
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Signals at Automatic Interlockers
378.1 KB
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Peru, IL 1
Plaines, IL 1
Portage, WI 1
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Milwaukee to Use Cab Signals
699.1 KB
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power signaling 1
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Paddington Power Signaling
1.9 MB
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Reading 1
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New Signaling on the Reading
631.4 KB
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Rockford, IL 1
Rockton, IL 1
Ronceverte, WV 1
searchlight signals 1
Sedley, IN 1
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CTC Replaces Staff on GTW
2.6 MB
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South Joliet, IL 1
Southern Pacific 1
St. Louis-San Francisco 2
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Lamp Ratings for Flashing Lights
695.8 KB
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The Safety Feature of Signals
456.5 KB
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Staten Island Rapid Transit 1
Suffern, NY 1
Thirsk, England 1
Union Jct. 1
Union Pacific 1
Union Switch & Signal 1
Valley Stream, NY 1
Valparaiso, IN 1
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CTC Replaces Staff on GTW
2.6 MB
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Wabash 1
Wayne Jct., PA 1
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New Signaling on the Reading
631.4 KB
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