Railway Signaling: 1928

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Aberdeen, SD 1
Automatic Interlockers Are Profitable Investments   3.3 MB
approach lighting 1
Obituary: Frank P. Patenall   627.0 KB
Arcadia, OH 1
Nickel Plate Installs 169 Miles of Color Light Automatics   3.6 MB
Atchison, Topeka & Santa Fe 6
Color Light Train Order Signals Are Effective   2.9 MB
Continued Activity and Development in Signaling   1.1 MB
Emergency Release Circuits   2.4 MB
Santa Fe Governs High Speed Main-Line Movements with Dwarf Signal   502.9 KB
Should Call-On Arms Be Used?   1.0 MB
Train Signs or Indicators   468.2 KB
Atlanta, GA 1
NC&StL Completes Signaling from Nashville to Atlanta, 288 Miles   3.3 MB
Atlantic Coast Line 2
Are Call-On Signals Safe?   1.2 MB
Color Light Train Order Signals Are Effective   2.9 MB
Aurora, IL 1
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
automatic block signaling 1
Train Order Indicators Used Successfully on the CI&L   604.3 KB
automatic train control 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Baltimore & Ohio 2
Obituary: Frank P. Patenall   627.0 KB
Personal Mention: G. H. Dryden   432.7 KB
Baltimore, MD 1
Pennsylvania Installs Code System of Train Stop with Signaling   5.7 MB
Berwick, OH 1
Dispatcher Signaling System Operates Through Sleet Storm   1.1 MB
Boston & Maine 2
Extensive Interlocking Changes Made by Boston & Maine   3.9 MB
Preparation of Circuit Plans   576.3 KB
Boston, MA 1
Extensive Interlocking Changes Made by Boston & Maine   3.9 MB
Bridgeport, MI 1
Pere Marquette Installs Centralized Control Signal System   3.2 MB
cab signaling 1
Co-ordinating Cab and Wayside Signaling   1.6 MB
Central of Georgia 1
Continued Activity and Development in Signaling   1.1 MB
Central of New Jersey 2
Arrangement of Color Light Units   816.2 KB
What Is to Be Gained by Train Stop or Train Control?   463.8 KB
centralized traffic control 1
Diversified Application of the Centralized Control System   493.5 KB
Charlottesville, VA 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Chesapeake & Ohio 3
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Color Light Train Order Signals Are Effective   2.9 MB
Emergency Release Circuits   2.4 MB
Chicago & Eastern Illinois 4
Automatic Signals Within Yard Limits   1.0 MB
C&EI Installs Automatic Interlocker at Main Line Crossing   3.7 MB
Elimination of Derails   796.4 KB
Signal and Train Control Hearing Ends   2.0 MB
Chicago & North Western 7
Are Call-On Signals Safe?   1.2 MB
Automatic Interlockers Are Profitable Investments   3.3 MB
Automatic Train Control on the Chicago & North Western   5.7 MB
Changes on the C&NW   978.4 KB
Continued Activity and Development in Signaling   1.1 MB
Early APB Signaling   408.5 KB
What Is the Cost of a Train Stop?   463.2 KB
Chicago Great Western 1
Automatic Interlocker on Chicago Great Western Effects Saving   2.4 MB
Chicago Junction 1
Rock Island Completes 33-Lever Electric Interlocker   2.8 MB
Chicago South Shore & South Bend 2
Color Light Train Order Signals Are Effective   2.9 MB
South Shore Line Uses Spring Switches on Heavy Traffic Lines   1.4 MB
Chicago, Burlington & Quincy 4
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
Centralized Control on Burlington Saves $16,200 a Year   2.4 MB
Early APB Signaling   408.5 KB
Should Call-On Arms Be Used?   1.0 MB
Chicago, IL 2
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
Rock Island Completes 33-Lever Electric Interlocker   2.8 MB
Chicago, Indianapolis & Louisville 2
Should Call-On Arms Be Used?   1.0 MB
Train Order Indicators Used Successfully on the CI&L   604.3 KB
Chicago, Milwaukee & St. Paul 1
Continued Activity and Development in Signaling   1.1 MB
Chicago, Milwaukee, St. Paul & Pacific 2
Automatic Interlockers Are Profitable Investments   3.3 MB
Why Markers for Automatic Signals?   494.6 KB
Chicago, Rock Island & Pacific 4
Can Preliminary Latch Locking Be Eliminated   595.1 KB
Continued Activity and Development in Signaling   1.1 MB
Rock Island Completes 33-Lever Electric Interlocker   2.8 MB
Should Call-On Arms Be Used?   1.0 MB
Clifton Forge, VA 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
color position light signals 1
Obituary: Frank P. Patenall   627.0 KB
Cone, L. 1
Changes on the C&NW   978.4 KB
Conneaut, OH 1
Nickel Plate Installs 169 Miles of Color Light Automatics   3.6 MB
Delaware & Hudson 1
Circuit Polarity at Relay Contacts   526.2 KB
Delaware, Lackawanna & Western 2
Continued Activity and Development in Signaling   1.1 MB
Emergency Release Circuits   2.4 MB
Delmar, IA 1
Automatic Interlockers Are Profitable Investments   3.3 MB
Denver, CO 1
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
Dryden, G. H. 1
Personal Mention: G. H. Dryden   432.7 KB
Dunfee, IN 1
Early APB Signaling   408.5 KB
early signaling 1
Signaling Half a Century Ago   1.1 MB
economics 2
Signaling Is an Aid to Greater Equipment Utilization   486.1 KB
What Is the Cost of a Train Stop?   463.2 KB
Erie 1
Signal and Train Control Hearing Ends   2.0 MB
Fostoria, OH 1
Dispatcher Signaling System Operates Through Sleet Storm   1.1 MB
Galesburg, IL 1
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
Gary, IN 1
South Shore Line Uses Spring Switches on Heavy Traffic Lines   1.4 MB
General Railway Signal 3
Changes on the C&NW   978.4 KB
Circuit Polarity at Relay Contacts   526.2 KB
Train Order Indicators Used Successfully on the CI&L   604.3 KB
Gibson, IN 1
Electric Interlocker and Switch Control Speeds Up Yard Operation   2.4 MB
Gordonsville, VA 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Great Northern 4
Arrangement of Color Light Units   816.2 KB
Emergency Release Circuits   2.4 MB
GN Replaces Semaphores with Color Light Signals   1.2 MB
Why Markers for Automatic Signals?   494.6 KB
Harrisburg, PA 1
Pennsylvania Installs Code System of Train Stop with Signaling   5.7 MB
highway crossings 2
A Standard Aspect for Highway Crossing Signals   1.8 MB
Union Type HC5 Flasher with Vertical "Stop" Sign   495.9 KB
Hocking Valley 1
Pennsylvania Installs an Interlocking Without Derails   2.3 MB
Illinois Central 8
Automatic Interlocker on Chicago Great Western Effects Saving   2.4 MB
C&EI Installs Automatic Interlocker at Main Line Crossing   3.7 MB
Changes on the C&NW   978.4 KB
Continued Activity and Development in Signaling   1.1 MB
Cost of a Train Stop   944.9 KB
Emergency Release Circuits   2.4 MB
Signal and Train Control Hearing Ends   2.0 MB
What Is the Cost of a Train Stop?   463.2 KB
Indiana Harbor Belt 1
Electric Interlocker and Switch Control Speeds Up Yard Operation   2.4 MB
Interborough Rapid Transit 2
Emergency Release Circuits   2.4 MB
More Comments on Latch Locking   643.4 KB
interlocking 4
Changes in Types of Interlocking   443.4 KB
Stiles Controller for S. & F. Machine   685.1 KB
Why Markers for Automatic Signals?   494.6 KB
Will More Extensive Use of Electric Locking Simplify Interlocking?   642.1 KB
Interstate Commerce Commission 1
What Is to Be Gained by Train Stop or Train Control?   463.8 KB
Kansas City, MO 1
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
Lindsay, VA 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Loree, L. F. 1
Obituary: Frank P. Patenall   627.0 KB
Los Angeles, CA 1
Pacific Electric Protects Subway Traffic With Signals and Train Stops   2.4 MB
Louisville & Nashville 3
Emergency Release Circuits   2.4 MB
Signal and Train Control Hearing Ends   2.0 MB
What Is to Be Gained by Train Stop or Train Control?   463.8 KB
Michigan City, IN 1
South Shore Line Uses Spring Switches on Heavy Traffic Lines   1.4 MB
Minneapolis & St. Louis 1
Automatic Interlockers Are Profitable Investments   3.3 MB
Minneapolis, MN 1
GN Replaces Semaphores with Color Light Signals   1.2 MB
Missouri Pacific 2
Arrangement of Color Light Units   816.2 KB
Continued Activity and Development in Signaling   1.1 MB
Missouri-Kansas-Texas 4
Cost of a Train Stop   944.9 KB
Signal and Train Control Hearing Ends   2.0 MB
What Is the Cost of a Train Stop?   463.2 KB
Why Markers for Automatic Signals?   494.6 KB
Mobile & Ohio 1
Color Light Train Order Signals Are Effective   2.9 MB
Monon 1
Train Order Indicators Used Successfully on the CI&L   604.3 KB
Mount Morris, MI 1
Pere Marquette Installs Centralized Control Signal System   3.2 MB
Nashville, Chattanooga & St. Louis 4
Educational Efforts Lead to Better Signal Performance   511.9 KB
NC&StL Completes Signaling from Nashville to Atlanta, 288 Miles   3.3 MB
Train Signs or Indicators   468.2 KB
Why Markers for Automatic Signals?   494.6 KB
Nashville, TN 1
NC&StL Completes Signaling from Nashville to Atlanta, 288 Miles   3.3 MB
New York Central 9
Color Light Train Order Signals Are Effective   2.9 MB
Continued Activity and Development in Signaling   1.1 MB
Dispatcher Signaling System Operates Through Sleet Storm   1.1 MB
Electric Interlocker and Switch Control Speeds Up Yard Operation   2.4 MB
Electric Plant on NYC Replaces Two Mechanical Plants   3.2 MB
Elimination of Derails   796.4 KB
Normal-Stop Versus Normal-Clear Signaling   529.4 KB
Rock Island Completes 33-Lever Electric Interlocker   2.8 MB
Signal Aspects for "Head-In" Indication at Passing Track   1.0 MB
New York Rapid Transit 1
Are Call-On Signals Safe?   545.6 KB
New York, Chicago & St. Louis 3
Arrangement of Color Light Units   816.2 KB
Early APB Signaling   408.5 KB
Nickel Plate Installs 169 Miles of Color Light Automatics   3.6 MB
New York, New Haven & Hartford 1
Signal and Train Control Hearing Ends   2.0 MB
Noble, S. E. 1
Changes on the C&NW   978.4 KB
Norfolk & Western 2
Are Call-On Signals Safe?   1.2 MB
Signal and Train Control Hearing Ends   2.0 MB
Northern Pacific 4
Automatic Interlocking (Letter to the Editor)   499.6 KB
Automatic Signals Within Yard Limits   1.0 MB
Can Preliminary Latch Locking Be Eliminated   595.1 KB
Signal and Train Control Hearing Ends   2.0 MB
obituary 1
Obituary: Frank P. Patenall   627.0 KB
Orange, VA 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Pacific Electric 1
Pacific Electric Protects Subway Traffic With Signals and Train Stops   2.4 MB
Patenall, F. P. 2
Obituary: Frank P. Patenall   627.0 KB
Personal Mention: G. H. Dryden   432.7 KB
Pennsylvania 3
Pennsylvania Installs an Interlocking Without Derails   2.3 MB
Pennsylvania Installs Code System of Train Stop with Signaling   5.7 MB
Signal Aspects for "Head-In" Indication at Passing Track   1.0 MB
Pere Marquette 2
Pere Marquette Installs Centralized Control Signal System   3.2 MB
Signal Aspects for "Head-In" Indication at Passing Track   1.0 MB
personal 3
Changes on the C&NW   978.4 KB
Obituary: Frank P. Patenall   627.0 KB
Personal Mention: G. H. Dryden   432.7 KB
Phinney, R. M. 1
Changes on the C&NW   978.4 KB
purchasing 1
Getting What You Specify   866.4 KB
Quincy, IL 1
Centralized Control on Burlington Saves $16,200 a Year   2.4 MB
Reading 2
Eliminating Danger of False-Clear Semaphores   857.8 KB
Signal and Train Control Hearing Ends   2.0 MB
Redfield, SD 1
Automatic Interlockers Are Profitable Investments   3.3 MB
relays 1
Circuit Polarity at Relay Contacts   526.2 KB
Richmond, Fredericksburg & Potomac 1
Signal and Train Control Hearing Ends   2.0 MB
Root Street, Chicago, IL 1
Rock Island Completes 33-Lever Electric Interlocker   2.8 MB
Seaboard Air Line 3
Automatic Signals Within Yard Limits   1.0 MB
Signal and Train Control Hearing Ends   2.0 MB
Why Markers for Automatic Signals?   494.6 KB
Signal Accessories Corporation 1
Saco Lever Circuit Controller   735.1 KB
signaling 1
Why Markers for Automatic Signals?   494.6 KB
South Whitley, IN 1
Early APB Signaling   408.5 KB
Southern 4
Signal and Train Control Hearing Ends   2.0 MB
Signal Aspects for "Head-In" Indication at Passing Track   1.0 MB
Signals Should Keep Trains Moving   400.7 KB
Why Markers for Automatic Signals?   494.6 KB
Southern Pacific 2
Automatic Signals Within Yard Limits   1.0 MB
Signal and Train Control Hearing Ends   2.0 MB
St. Louis Southwestern 1
Signal and Train Control Hearing Ends   2.0 MB
St. Louis, MO 1
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
St. Louis-San Francisco 3
Reporting False Clear Indications   648.8 KB
Signal and Train Control Hearing Ends   2.0 MB
Why Markers for Automatic Signals?   494.6 KB
St. Paul, MN 2
Burlington Completes Automatic Signals Chicago to Denver   5.1 MB
GN Replaces Semaphores with Color Light Signals   1.2 MB
Standard Code 1
Train Signs or Indicators   468.2 KB
Stanley, OH 2
Dispatcher Signaling System Operates Through Sleet Storm   1.1 MB
Electric Plant on NYC Replaces Two Mechanical Plants   3.2 MB
Starck, P. A. 1
Changes on the C&NW   978.4 KB
Staunton, VA 1
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Sullivan, IN 1
C&EI Installs Automatic Interlocker at Main Line Crossing   3.7 MB
Texas & Pacific 3
Color Light Train Order Signals Are Effective   2.9 MB
Signal and Train Control Hearing Ends   2.0 MB
Why Markers for Automatic Signals?   494.6 KB
Toledo Terminal 1
Pennsylvania Installs an Interlocking Without Derails   2.3 MB
Tomkins, O. S. 1
Changes on the C&NW   978.4 KB
train control 1
What Is to Be Gained by Train Stop or Train Control?   463.8 KB
train order signals 1
Train Order Indicators Used Successfully on the CI&L   604.3 KB
Union Pacific 2
Are Call-On Signals Safe?   1.2 MB
Signal and Train Control Hearing Ends   2.0 MB
Union Switch & Signal 5
C&O Signaling and Train Control Facilitate Operation   4.1 MB
Circuit Polarity at Relay Contacts   526.2 KB
New Line of DN Relays   816.5 KB
New Long-Range Search-Light Signal   1.1 MB
Union Type HC5 Flasher with Vertical "Stop" Sign   495.9 KB
upper quadrant semaphore 1
Obituary: Frank P. Patenall   627.0 KB
Wabash 3
Continued Activity and Development in Signaling   1.1 MB
Emergency Release Circuits   2.4 MB
Signal and Train Control Hearing Ends   2.0 MB
Walbridge, OH 1
Pennsylvania Installs an Interlocking Without Derails   2.3 MB
Waverly, IA 1
Automatic Interlocker on Chicago Great Western Effects Saving   2.4 MB
West Quincy, MO 1
Centralized Control on Burlington Saves $16,200 a Year   2.4 MB
Wolsey, SD 1
Automatic Interlockers Are Profitable Investments   3.3 MB
yard limits 1
Signaling of Main Tracks Through Yards   446.2 KB

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