Railway Signaling: 1936

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.

Learn more about this collection.

"Abraham Lincoln" 1

1936	Train Control on the B&O Diesel 2.6 MB

"Royal Blue" 1

1936	Train Control on the B&O Diesel 2.6 MB

1936 1

1936	1936 index 4.0 MB

absolute permissive block signaling 2

1936	Electric Lighting of Semaphores 867.6 KB
1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

accident 2

1936	Accident in Automatic Block Signal Territory 4.7 MB
1936	Bad Collisions on Best Railroads 2.5 MB

all-relay interlocking 1

1936	All-Relay Interlocking On NYC at Syracuse 29.7 MB

Alleghany, VA 1

1936	Centralized Traffic Control on the Chesapeake & Ohio 4.3 MB

Alton 2

1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB
1936	Train Control on the B&O Diesel 2.6 MB

Amqui, TN 1

1936	Electric Lighting of Semaphores 867.6 KB

annunciator 1

1936	Annunciator Circuits 2.6 MB

approach lighting 1

1936	The Delaware, Lackawanna & Western's Approach-Lighting System for Semaphore Signals 3.4 MB

Atchison, Topeka & Santa Fe 6

1936	Demands for Modern Signaling 12.1 MB
1936	Importance of Warning Whistle 6.8 MB
1936	Maintainers' Blueprint Plans 4.2 MB
1936	Motor Car Indicators 2.9 MB
1936	Relay Shipment Container 2.0 MB
1936	Testing New Interlocking 3.5 MB

automatic block signaling 6

1936	Accident in Automatic Block Signal Territory 4.7 MB
1936	Electric Lighting of Semaphores 867.6 KB
1936	Electric Lights for Semaphores and Train Approach Indicators on the Rock Island 8.9 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB
1936	Replacing Semaphores With Position Light Signals On the Norfolk & Western 7.9 MB
1936	The Delaware, Lackawanna & Western's Approach-Lighting System for Semaphore Signals 3.4 MB

automatic interlocking 5

1936	Demands for Modern Signaling 12.1 MB
1936	Location of Home Signals at Automatic Interlockings 3.0 MB
1936	Speed at Automatic Plants 4.9 MB
1936	Speed Limits at Automatic Interlocking 3.2 MB
1936	Testing Automatic Interlockings 3.5 MB

automatic train control 1

1936	Cab Signaling 7.8 MB

automatic train stop 4

1936	Accident in Automatic Block Signal Territory 4.7 MB
1936	Cab Signaling 7.8 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Train Control on the B&O Diesel 2.6 MB

Baltimore & Ohio 5

1936	Flood Damage to Signaling 5.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB
1936	Slide Detector Fences 4.3 MB
1936	Train Control on the B&O Diesel 2.6 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

Belt Line Jct., Detroit, MI 1

1936	Crossing Protection Includes Signals for Directing Trains 17.0 MB

Big Elk, DE 1

1936	Remote Control on the Pennsylvania 14.5 MB

Boston & Albany 2

1936	Flood Damage to Signaling 5.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB

Boston & Maine 3

1936	Boston & Maine Flooded Signaling Rehabilitated 8.3 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Importance of Warning Whistle 6.8 MB

cab signaling 4

1936	Bad Collisions on Best Railroads 2.5 MB
1936	Cab Signaling 7.8 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Importance of Warning Whistle 6.8 MB

Canadian Pacific 4

1936	Cleaning Mechanical Locking Bars 1.5 MB
1936	Maintainers' Blueprint Plans 4.2 MB
1936	Motor Car Indicators 2.9 MB
1936	Yard Entrance in Montreal Remotely Controlled 8.2 MB

capacity 1

1936	What Is the Capacity of a Single-Track Line? 2.0 MB

centralized traffic control 7

1936	Boston & Maine Flooded Signaling Rehabilitated 8.3 MB
1936	C&O Remote Control 12.8 MB
1936	Centralized Traffic Control on the Chesapeake & Ohio 4.3 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Remote Control on the Pennsylvania 14.5 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB
1936	Yard Entrance in Montreal Remotely Controlled 8.2 MB

Chesapeake & Ohio 5

1936	Back Locks on Approach Signals 1.4 MB
1936	C&O Remote Control 12.8 MB
1936	Centralized Traffic Control on the Chesapeake & Ohio 4.3 MB
1936	Testing New Interlocking 3.5 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

Chicago & North Western 7

1936	Demands for Modern Signaling 12.1 MB
1936	Importance of Warning Whistle 6.8 MB
1936	Lights Interfere With View of Signals 2.3 MB
1936	Location of Home Signals at Automatic Interlockings 3.0 MB
1936	North Western Installs Automatic Gates 15.9 MB
1936	Speed at Automatic Plants 4.9 MB
1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

Chicago Great Western 1

1936	Signals Installed at 26 Crossings in Dubuque, IA 13.8 MB

Chicago, Burlington & Quincy 3

1936	Demands for Modern Signaling 12.1 MB
1936	Double-Caution Signaling 3.4 MB
1936	Signals Installed at 26 Crossings in Dubuque, IA 13.8 MB

Chicago, Milwaukee, St. Paul & Pacific 4

1936	Demands for Modern Signaling 12.1 MB
1936	Signals Installed at 26 Crossings in Dubuque, IA 13.8 MB
1936	Speed at Automatic Plants 4.9 MB
1936	Testing Automatic Interlockings 3.5 MB

Chicago, Rock Island & Gulf 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Chicago, Rock Island & Pacific 3

1936	34 Train Stops Eliminated Daily by an Interlocking 10.4 MB
1936	Electric Lights for Semaphores and Train Approach Indicators on the Rock Island 8.9 MB
1936	Speed at Automatic Plants 4.9 MB

coded track circuits 3

1936	Coded Track Circuit 4.1 MB
1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB
1936	Remote Control on the Pennsylvania 14.5 MB

color light signals 3

1936	Alining Signals on Curves 3.7 MB
1936	Back Locks on Approach Signals 1.4 MB
1936	Lights Interfere With View of Signals 2.3 MB

Croton, NY 1

1936	NYC Modernizes Electric Interlocking 9.0 MB

Dallas Union Terminal 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Dallas, TX 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Davis, DE 1

1936	Remote Control on the Pennsylvania 14.5 MB

Delaware, Lackawanna & Western 5

1936	Flood Damage to Signaling 5.0 MB
1936	Importance of Warning Whistle 6.8 MB
1936	Instructions for Crossing Protection in New York 1.8 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB
1936	The Delaware, Lackawanna & Western's Approach-Lighting System for Semaphore Signals 3.4 MB

Detroit Belt 1

1936	Crossing Protection Includes Signals for Directing Trains 17.0 MB

Detroit, MI 1

1936	Crossing Protection Includes Signals for Directing Trains 17.0 MB

DN-22L relay 1

1936	Light-out Relay for AC or DC 2.3 MB

DN-22P power transfer relay 1

1936	Power-Transfer Relay for Crossing Signals 3.5 MB

Dubuque, IA 1

1936	Signals Installed at 26 Crossings in Dubuque, IA 13.8 MB

East Bridge Jct., LA 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

Edgington, KY 1

1936	C&O Remote Control 12.8 MB

Edinburgh, Scotland 1

1936	New Interlocking Machines Abroad 1.3 MB

electric interlocking 3

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB
1936	New Interlocking Machines Abroad 1.3 MB
1936	New York Central Interlocking at Syracuse 15.9 MB

electric lighting 1

1936	Approach Electric Lighting On the Erie 2.7 MB

electro-hydraulic gates 1

1936	North Western Installs Automatic Gates 15.9 MB

electro-pneumatic interlocking 1

1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB

Elmira, NY 1

1936	Interlocking and Remote Control on Erie 18.9 MB

entry-exit interlocking 1

1936	NX Electric Interlocking 3.8 MB

Erie 3

1936	Approach Electric Lighting On the Erie 2.7 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Interlocking and Remote Control on Erie 18.9 MB

flashing light signals 2

1936	Phantom Indications 1.8 MB
1936	Reducing Current at Flashing Relay Contacts 2.2 MB

flooding 3

1936	Boston & Maine Flooded Signaling Rehabilitated 8.3 MB
1936	Flood Damage to Signaling 5.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB

forced-drop lever locks 1

1936	Lost Motion in Locking 3.0 MB

Ft. Worth & Denver City 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

General Railway Signal 11

1936	Alining Signals on Curves 3.7 MB
1936	All-Relay Interlocking On NYC at Syracuse 29.7 MB
1936	Coded Track Circuit 4.1 MB
1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB
1936	New York Central Interlocking at Syracuse 15.9 MB
1936	NX Electric Interlocking 3.8 MB
1936	NYC Modernizes Electric Interlocking 9.0 MB
1936	Phantom Indications 1.8 MB
1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB
1936	Train Control on the B&O Diesel 2.6 MB
1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

Great Northern 1

1936	Slide Detector Fences 4.3 MB

Gulf, Colorado & Santa Fe 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

H-2 searchlight signals 1

1936	Interlocking and Remote Control on Erie 18.9 MB

Hall Switch & Signal 1

1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

Henderson, KY 1

1936	Electric Lighting of Semaphores 867.6 KB

high-speed trains 1

1936	Demands for Modern Signaling 12.1 MB

highway crossings 13

1936	$500,000 Crossing Protection Program of Illinois 17.5 MB
1936	Crossing Protection Includes Signals for Directing Trains 17.0 MB
1936	Flashing Light Signal Failures 2.6 MB
1936	Flashing Lights At 20 Crossings In Kalamazoo 8.9 MB
1936	Highway Crossing Protection 1.9 MB
1936	Instructions for Crossing Protection in New York 1.8 MB
1936	North Western Installs Automatic Gates 15.9 MB
1936	Phantom Indications 1.8 MB
1936	Reading Installs Unique Crossing Protection 9.5 MB
1936	Reducing Current at Flashing Relay Contacts 2.2 MB
1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB
1936	Signals Installed at 26 Crossings in Dubuque, IA 13.8 MB
1936	Street Traffic Signals Controlled by Trains 5.1 MB

Illinois 1

1936	$500,000 Crossing Protection Program of Illinois 17.5 MB

Illinois Central 4

1936	Demands for Modern Signaling 12.1 MB
1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB
1936	Signals Installed at 26 Crossings in Dubuque, IA 13.8 MB
1936	Testing New Interlocking 3.5 MB

Illinois Commerce Commission 2

1936	$500,000 Crossing Protection Program of Illinois 17.5 MB
1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB

index 1

1936	1936 index 4.0 MB

interlocking 20

1936	34 Train Stops Eliminated Daily by an Interlocking 10.4 MB
1936	All-Relay Interlocking On NYC at Syracuse 29.7 MB
1936	Annunciator Circuits 2.6 MB
1936	C&O Remote Control 12.8 MB
1936	Crossing Protection Includes Signals for Directing Trains 17.0 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Interlocking and Remote Control on Erie 18.9 MB
1936	Location of Home Signals at Automatic Interlockings 3.0 MB
1936	Lost Motion in Locking 3.0 MB
1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB
1936	New Interlocking Machines Abroad 1.3 MB
1936	New York Central Interlocking at Syracuse 15.9 MB
1936	NX Electric Interlocking 3.8 MB
1936	NYC Modernizes Electric Interlocking 9.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB
1936	Remote Control on the Pennsylvania 14.5 MB
1936	Testing Automatic Interlockings 3.5 MB
1936	Testing New Interlocking 1.7 MB
1936	Testing New Interlocking 3.5 MB
1936	Yard Entrance in Montreal Remotely Controlled 8.2 MB

Interstate Commerce Commission 3

1936	Accident in Automatic Block Signal Territory 4.7 MB
1936	Cab Signaling 7.8 MB
1936	Importance of Warning Whistle 6.8 MB

Jerry's Run, VA 1

1936	Centralized Traffic Control on the Chesapeake & Ohio 4.3 MB

Johnson Compensator 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

Johnson Signal 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

Kalamazoo, MI 1

1936	Flashing Lights At 20 Crossings In Kalamazoo 8.9 MB

Leavittsburg, OH 1

1936	Approach Electric Lighting On the Erie 2.7 MB

Lehigh Valley 2

1936	Flood Damage to Signaling 5.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB

lenses 1

1936	Alining Signals on Curves 3.7 MB

lift bridge 1

1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB

Limeville, KY 1

1936	C&O Remote Control 12.8 MB

Lockport, IL 1

1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB

London, England 1

1936	New Interlocking Machines Abroad 1.3 MB

Los Angeles, CA 1

1936	Street Traffic Signals Controlled by Trains 5.1 MB

Louisiana & Arkansas 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

Louisville & Nashville 2

1936	Electric Lighting of Semaphores 867.6 KB
1936	Reducing Current at Flashing Relay Contacts 2.2 MB

Mantua, OH 1

1936	Approach Electric Lighting On the Erie 2.7 MB

mechanical interlocking 1

1936	Lost Motion in Locking 3.0 MB

mechanical locking 1

1936	Cleaning Mechanical Locking Bars 1.5 MB

Michigan Central 4

1936	Accident in Automatic Block Signal Territory 4.7 MB
1936	Crossing Protection Includes Signals for Directing Trains 17.0 MB
1936	Flashing Lights At 20 Crossings In Kalamazoo 8.9 MB
1936	Reducing Current at Flashing Relay Contacts 2.2 MB

Mississippi River bridge, New Orleans, LA 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

Missouri Pacific 7

1936	Accuracy of Timing Relays 2.2 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Double-Caution Signaling 3.4 MB
1936	Lights Interfere With View of Signals 2.3 MB
1936	Location of Home Signals at Automatic Interlockings 3.0 MB
1936	Testing New Interlocking 1.7 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

Missouri-Kansas-Texas 2

1936	Accuracy of Timing Relays 2.2 MB
1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Model 2 electric interlocking 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

Model 2A semaphore 1

1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB

Model 5 electric interlocking 1

1936	New York Central Interlocking at Syracuse 15.9 MB

Montreal, Quebec 1

1936	Yard Entrance in Montreal Remotely Controlled 8.2 MB

motor car indicators 2

1936	Electric Lights for Semaphores and Train Approach Indicators on the Rock Island 8.9 MB
1936	Motor Car Indicators 2.9 MB

National Recovery Administration Act 1

1936	$500,000 Crossing Protection Program of Illinois 17.5 MB

New Orleans Public Belt 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

New Orleans, LA 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

New York 1

1936	Instructions for Crossing Protection in New York 1.8 MB

New York Central 9

1936	All-Relay Interlocking On NYC at Syracuse 29.7 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Instructions for Crossing Protection in New York 1.8 MB
1936	Lost Motion in Locking 3.0 MB
1936	Maintainers' Blueprint Plans 4.2 MB
1936	New York Central Interlocking at Syracuse 15.9 MB
1936	NYC Modernizes Electric Interlocking 9.0 MB
1936	Slide Detector Fences 4.3 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

New York Rapid Transit 1

1936	Testing Automatic Interlockings 3.5 MB

New York, New Haven & Hartford 3

1936	Bad Collisions on Best Railroads 2.5 MB
1936	Boston & Maine Flooded Signaling Rehabilitated 8.3 MB
1936	Importance of Warning Whistle 6.8 MB

New York, NY 1

1936	NYC Modernizes Electric Interlocking 9.0 MB

New York, Ontario & Western 1

1936	Instructions for Crossing Protection in New York 1.8 MB

Newark, NJ 1

1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB

Norfolk & Western 4

1936	Flood Damage to Signaling 5.0 MB
1936	Importance of Warning Whistle 6.8 MB
1936	Replacing Semaphores With Position Light Signals On the Norfolk & Western 7.9 MB
1936	Slide Detector Fences 4.3 MB

North East, MD 1

1936	Remote Control on the Pennsylvania 14.5 MB

Northern Pacific 1

1936	Slide Detector Fences 4.3 MB

NX interlocking 1

1936	NX Electric Interlocking 3.8 MB

obituary 1

1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

Outremont, Quebec 1

1936	Yard Entrance in Montreal Remotely Controlled 8.2 MB

Pennsylvania 13

1936	Bad Collisions on Best Railroads 2.5 MB
1936	Cab Signaling 7.8 MB
1936	Double-Caution Signaling 3.4 MB
1936	Flood Damage to Signaling 5.0 MB
1936	Interlocking and Remote Control on Erie 18.9 MB
1936	Lost Motion in Locking 3.0 MB
1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB
1936	Remote Control on the Pennsylvania 14.5 MB
1936	Slide Detector Fences 4.3 MB
1936	Slide Detector Signals 12.9 MB
1936	Testing New Interlocking 3.5 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

personal 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

phantom indications 1

1936	Phantom Indications 1.8 MB

Philadelphia & Reading 1

1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

Philadelphia Rapid Transit 1

1936	Accuracy of Timing Relays 2.2 MB

Pittsburgh & Lake Erie 2

1936	Flood Damage to Signaling 5.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB

Pneumatic Signal 1

1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

polarized track circuits 1

1936	Railroads Clean Up After Flood Waters 33.3 MB

position light signals 2

1936	Improved Position Light Signal 4.3 MB
1936	Replacing Semaphores With Position Light Signals On the Norfolk & Western 7.9 MB

power switches 1

1936	What Is the Capacity of a Single-Track Line? 2.0 MB

Reading 3

1936	Annunciator Circuits 2.6 MB
1936	Instructions for Crossing Protection in New York 1.8 MB
1936	Reading Installs Unique Crossing Protection 9.5 MB

relay 2

1936	Light-out Relay for AC or DC 2.3 MB
1936	Power-Transfer Relay for Crossing Signals 3.5 MB

relays 2

1936	Flashing Light Signal Failures 2.6 MB
1936	Relay Shipment Container 2.0 MB

remote control 4

1936	C&O Remote Control 12.8 MB
1936	Demands for Modern Signaling 12.1 MB
1936	Interlocking and Remote Control on Erie 18.9 MB
1936	Remote Control on the Pennsylvania 14.5 MB

Roanoke, VA 1

1936	Replacing Semaphores With Position Light Signals On the Norfolk & Western 7.9 MB

rock slide fences 1

1936	Slide Detector Signals 12.9 MB

route interlocking 1

1936	NX Electric Interlocking 3.8 MB

Rudd, A. H. 1

1936	Cab Signaling 7.8 MB

Saxby & Farmer 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

searchlight signals 1

1936	Interlocking and Remote Control on Erie 18.9 MB

semaphore signals 5

1936	Approach Electric Lighting On the Erie 2.7 MB
1936	Back Locks on Approach Signals 1.4 MB
1936	Electric Lighting of Semaphores 867.6 KB
1936	Electric Lights for Semaphores and Train Approach Indicators on the Rock Island 8.9 MB
1936	The Delaware, Lackawanna & Western's Approach-Lighting System for Semaphore Signals 3.4 MB

Shamokin, PA 1

1936	Reading Installs Unique Crossing Protection 9.5 MB

signal aspects 1

1936	Double-Caution Signaling 3.4 MB

signal blueprints 1

1936	Maintainers' Blueprint Plans 4.2 MB

signal indications 2

1936	Demands for Modern Signaling 12.1 MB
1936	Double-Caution Signaling 3.4 MB

single-track line 1

1936	What Is the Capacity of a Single-Track Line? 2.0 MB

slide detector fences 1

1936	Slide Detector Fences 4.3 MB

Southern 2

1936	Alining Signals on Curves 3.7 MB
1936	Slide Detector Fences 4.3 MB

Southern Pacific 6

1936	Annunciator Circuits 2.6 MB
1936	Lost Motion in Locking 3.0 MB
1936	Motor Car Indicators 2.9 MB
1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB
1936	Street Traffic Signals Controlled by Trains 5.1 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

Southport, LA 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

speed limits 1

1936	Speed Limits at Automatic Interlocking 3.2 MB

spring switches 1

1936	Demands for Modern Signaling 12.1 MB

St. Louis Southwestern 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

St. Louis-San Francisco 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Standard Signal 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

stations 1

1936	Annunciator Circuits 2.6 MB

Stiles, T. George 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

streamlined passenger trains 1

1936	Demands for Modern Signaling 12.1 MB

Syracuse Jct., NY 1

1936	New York Central Interlocking at Syracuse 15.9 MB

Syracuse, NY 2

1936	All-Relay Interlocking On NYC at Syracuse 29.7 MB
1936	New York Central Interlocking at Syracuse 15.9 MB

T. George Stiles 1

1936	T. George Stiles Rounds Out 60 Years of Signaling 2.5 MB

Taylor Signal 1

1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

telephone train order signals 1

1936	Interlocking and Remote Control on Erie 18.9 MB

testing 3

1936	Testing Automatic Interlockings 3.5 MB
1936	Testing New Interlocking 1.7 MB
1936	Testing New Interlocking 3.5 MB

Texas & New Orleans 3

1936	Maintainers' Blueprint Plans 4.2 MB
1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB
1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Texas & Pacific 3

1936	Lights Interfere With View of Signals 2.3 MB
1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB
1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

time element relays 1

1936	Accuracy of Timing Relays 2.2 MB

Topeka, KS 1

1936	34 Train Stops Eliminated Daily by an Interlocking 10.4 MB

traffic signals 1

1936	Street Traffic Signals Controlled by Trains 5.1 MB

triple underpass, Dallas, TX 1

1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB

Tuckahoe, WV 1

1936	Centralized Traffic Control on the Chesapeake & Ohio 4.3 MB

Union Pacific 2

1936	34 Train Stops Eliminated Daily by an Interlocking 10.4 MB
1936	Demands for Modern Signaling 12.1 MB

Union Switch & Signal 9

1936	34 Train Stops Eliminated Daily by an Interlocking 10.4 MB
1936	Alining Signals on Curves 3.7 MB
1936	Improved Position Light Signal 4.3 MB
1936	Interlocking and Remote Control on Erie 18.9 MB
1936	Light-out Relay for AC or DC 2.3 MB
1936	New Electro-Pneumatic Plant On Pennsylvania at Newark 23.9 MB
1936	Power-Transfer Relay for Crossing Signals 3.5 MB
1936	Reconstruction of Interlocking at the Dallas Union Terminal 14.8 MB
1936	Yard Entrance in Montreal Remotely Controlled 8.2 MB

Wabash 2

1936	Speed at Automatic Plants 4.9 MB
1936	What Is the Capacity of a Single-Track Line? 2.0 MB

Walton, VA 1

1936	Replacing Semaphores With Position Light Signals On the Norfolk & Western 7.9 MB

Waterloo Station, London, England 1

1936	New Interlocking Machines Abroad 1.3 MB

Waukegan, IL 1

1936	North Western Installs Automatic Gates 15.9 MB

Waverly Station, Edinburgh, Scotland 1

1936	New Interlocking Machines Abroad 1.3 MB

Wayne Jct., MI 1

1936	Accident in Automatic Block Signal Territory 4.7 MB

West Bridge Jct., LA 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

Western Maryland 2

1936	Flood Damage to Signaling 5.0 MB
1936	Railroads Clean Up After Flood Waters 33.3 MB

Western Railroad Supply 2

1936	Reading Installs Unique Crossing Protection 9.5 MB
1936	Semaphore Type Crossing Gate Developed on the Alton 8.3 MB

Wilmer W. Salmon 1

1936	Wilmer W. Salmon, President of General Railway Signal Company, Dies 2.8 MB

Winans, MD 1

1936	Remote Control on the Pennsylvania 14.5 MB

Yazoo & Mississippi Valley 1

1936	New Electric Interlocking and Signaling at the Mississippi River Bridge at New Orleans 7.9 MB

Railway Signaling: 1936

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