1929 |
"Union" Clock-Work Time Release
611.8 KB
|
1929 |
"Union" Thermal Relay
1.0 MB
|
1947 |
107 Miles of CTC on the N&W
2.3 MB
|
1936 |
34 Train Stops Eliminated Daily by an Interlocking
10.4 MB
|
1945 |
A Most Complicated Automatic Interlocking
2.6 MB
|
1921 |
A New Idea in Traffic Locking On the C&O
1.7 MB
|
1929 |
A Time-Element Relay
572.7 KB
|
1936 |
Alining Signals on Curves
3.7 MB
|
1939 |
An Improved Flasher Relay
1.8 MB
|
1935 |
An Under-Voltage Relay
1.2 MB
|
1934 |
Application of the Retained-Neutral Relay
842.8 KB
|
1947 |
Automatic Block With Spring Switches installed on the Georgia Railroad
851.4 KB
|
1954 |
Automatic Gates Increase Safety
3.2 MB
|
1944 |
Automatic Signaling, Train Stop, and Route Interlocking Installed in the Chicago Subways
8.6 MB
|
1941 |
Belt Railway of Chicago Installs Interlocking
12.3 MB
|
1955 |
C&O Consolidates Interlockings
3.2 MB
|
1928 |
C&O Signaling and Train Control Facilitate Operation
4.1 MB
|
1935 |
Cab Signals and ATC on UP Streamliner
2.1 MB
|
1944 |
Canadian National installs new type of all-relay interlocking at Montreal
7.0 MB
|
1944 |
Canadian Pacific Installs Automatic Block Signaling
6.8 MB
|
1946 |
Carryphone on the Pennsylvania
1.5 MB
|
1932 |
Centralized Traffic Control
3.1 MB
|
1935 |
Centralized Traffic Control Installed on the Pittsburgh & Lake Erie
12.9 MB
|
1943 |
Centralized Traffic Control on the Milwaukee
2.8 MB
|
1943 |
Centralized Traffic Control Speeds War Traffic on 80.5-Mile Section of the Southern Pacific
10.3 MB
|
1952 |
Chicago's Newest Subway Has Automatic Block Signaling and Train Stop
1.1 MB
|
1928 |
Circuit Polarity at Relay Contacts
526.2 KB
|
1941 |
Code-Following Polar Track Circuit Relay
1.4 MB
|
1935 |
Coded Track Circuit Control
1.5 MB
|
1944 |
Coded Track Circuits for CTC and Cab Signaling
4.0 MB
|
1937 |
Color Light Signals Replace Semaphores on Union Pacific
4.2 MB
|
1957 |
Consolidation Cuts Costs
3.1 MB
|
1950 |
Continuity of Train Communication
2.6 MB
|
1939 |
CTC and Automatic Signals on the Rock Island
6.6 MB
|
1947 |
CTC Extension on the Boston & Maine
792.3 KB
|
1958 |
CTC Handles 15 More Trains
2.2 MB
|
1947 |
CTC Has Long Sidings With Signals on the Santa Fe
2.1 MB
|
1954 |
CTC Improves Train Operation
3.3 MB
|
1950 |
CTC Installed on 128 Miles of NKP
12.1 MB
|
1948 |
CTC Keeps ‘em Rollin’ on C&EI
2.1 MB
|
1946 |
CTC on 107 Miles of Single Track on the Louisville & Nashville
5.2 MB
|
1950 |
CTC on Sunset Route
3.1 MB
|
1943 |
CTC on the Bessemer & Lake Erie
8.7 MB
|
1940 |
CTC on the New York, Ontario & Western
8.2 MB
|
1952 |
CTC Pays Its Way on B&O
733.2 KB
|
1947 |
CTC Saves Train Time on the Pennsylvania
1.5 MB
|
1944 |
CTC Speeds Ore Traffic On the DM&IR
4.6 MB
|
1962 |
DM&IR Consolidates CTC Control Miles
384.7 KB
|
1952 |
Double-Track CTC on Illinois Central
759.7 KB
|
1920 |
East Somerville Electro-Pneumatic Plant
754.4 KB
|
1943 |
Electric Interlocking Installed On IC
12.8 MB
|
1915 |
Electro-Pneumatic Plant at San Francisco
2.4 MB
|
1925 |
Eliminating the Written Train Order
2.8 MB
|
1937 |
Ends of Double Track Controlled by CTC
12.4 MB
|
1953 |
Grand Trunk Installs CTC on 37 Miles of Busy Single Track
3.5 MB
|
1956 |
How to Control Signals Safely Where Lightweight Trains are Operated
8.4 MB
|
1925 |
IC Markham contracts: News of the Month (June 1925)
579.3 KB
|
1925 |
Illinois Central ATS contract: News of the Month (July 1925)
700.0 KB
|
1952 |
Illinois Central Installs Modern Protection at Crossings in Memphis, TN
1.3 MB
|
1937 |
Illinois Central Petitions to Remove Train Control
1.6 MB
|
1936 |
Improved Position Light Signal
4.3 MB
|
1939 |
Improved Searchlight Signal
3.3 MB
|
1926 |
Improved Type of Circuit Controller
970.7 KB
|
1944 |
Inductive Train Communication
3.9 MB
|
1925 |
Inter-Control of Electric and Mechanical Functions at Interlocking Plants
1.6 MB
|
1936 |
Interlocking and Remote Control on Erie
18.9 MB
|
1935 |
Interlocking on Southern Pacific Suisun Bay Bridge
4.6 MB
|
1940 |
Interlocking on the Hudson & Manhattan
6.8 MB
|
1958 |
Interlocking Saves Time and Money for the Belt Railway of Chicago
7.1 MB
|
1952 |
Interlockings Modernized at Three Railroad Crossings
974.7 KB
|
1937 |
J. C. Mock Retires
1.4 MB
|
1943 |
Junction and Crossing Included in Centralized Traffic Control On the Missouri Pacific
4.7 MB
|
1920 |
Largest Saxby & Farmer Machine in the United States
1.6 MB
|
1917 |
Light Signals On CM&StP
781.9 KB
|
1936 |
Light-out Relay for AC or DC
2.3 MB
|
1941 |
Loss of Shunt
912.3 KB
|
1954 |
Loudspeakers and Interlocking Improve Yard Operation
4.7 MB
|
1950 |
Microwaves on Railroads
1.3 MB
|
1947 |
Milwaukee Installs Block System on 98 Miles
1.2 MB
|
1939 |
Mission Tower Interlocking at Los Angeles
9.2 MB
|
1933 |
Modern Signaling in Soviet Russia
3.3 MB
|
1944 |
N&W Installs CTC on Shenandoah Valley Line
10.2 MB
|
1944 |
New All-Relay Interlocking at Providence, RI on the New Haven
5.8 MB
|
1940 |
New Automatic Block Signaling on the Milwaukee
6.3 MB
|
1940 |
New Code Transmitter
2.1 MB
|
1937 |
New Devices- March 1937
18.1 MB
|
1936 |
New Electro-Pneumatic Plant On Pennsylvania at Newark
23.9 MB
|
1956 |
New Haven Consolidates Control of Nine Interlocking Layouts
8.3 MB
|
1947 |
New Interlocking at Bellevue, Ohio Protects Crossings of Four Railroads
997.9 KB
|
1939 |
New Interlocking at Los Angeles
9.6 MB
|
1921 |
New Interlocking on the Boston Elevated
3.3 MB
|
1921 |
New Interlockings at Jacksonville Terminal
3.4 MB
|
1928 |
New Line of DN Relays
816.5 KB
|
1928 |
New Long-Range Search-Light Signal
1.1 MB
|
1924 |
New Plant on the Pennsylvania
3.1 MB
|
1940 |
New Signaling on the Wabash
8.1 MB
|
1956 |
New Three-Track Interchange Includes Interlocking and Talk-Backs
8.9 MB
|
1943 |
New York, Chicago & St. Louis Installs Centralized Traffic Control on Busy Sections of Single Track
7.9 MB
|
1961 |
News Briefs. 1961-01
748.5 KB
|
1961 |
News Briefs. 1961-03
1.0 MB
|
1961 |
News Briefs. 1961-04
1.5 MB
|
1961 |
News Briefs. 1961-08
842.0 KB
|
1961 |
News Briefs. 1961-10
1.0 MB
|
1961 |
News Briefs. 1961-11
1.3 MB
|
1961 |
News Briefs. 1961-12
964.3 KB
|
1962 |
News Briefs. 1962-04
1.2 MB
|
1962 |
News Briefs. 1962-05
823.4 KB
|
1962 |
News Briefs. 1962-06
971.1 KB
|
1962 |
News Briefs. 1962-09
826.7 KB
|
1962 |
News Briefs. 1962-11
466.0 KB
|
1943 |
Norfolk & Western Installs CTC on 14 Miles of Single Track
4.4 MB
|
1915 |
North Philadelphia Interlocking
2.8 MB
|
1957 |
One Machine Controls Two Plants
2.2 MB
|
1941 |
P4 Code-Following Relay
1.1 MB
|
1937 |
Pennsylvania CTC Installation
7.0 MB
|
1940 |
Pennsylvania Installs Centralized Traffic Control On 69 Miles of Line
13.1 MB
|
1944 |
Pennsylvania Installs CTC On 53 Miles of Busy Single Track
8.5 MB
|
1952 |
Pennsylvania Railroad Installs Large Modern Interlocking at Passenger Station in Philadelphia
1.6 MB
|
1939 |
Plug Connector for "H-2" Searchlight Signals
1.1 MB
|
1940 |
Plug Couplers for Relays and Signals
1.3 MB
|
1936 |
Power-Transfer Relay for Crossing Signals
3.5 MB
|
1921 |
Progress of Railroad Signaling in America
731.8 KB
|
1947 |
Proximity Detector System
905.9 KB
|
1925 |
PRR construction (Lima, et al): News of the Month (July 1925)
675.8 KB
|
1936 |
Reconstruction of Interlocking at the Dallas Union Terminal
14.8 MB
|
1957 |
Relay Interlocking Saves Time at Yard Entrances
2.5 MB
|
1956 |
Remote Control Converted to CTC
6.6 MB
|
1937 |
Remote Control on the Pennsylvania
5.2 MB
|
1935 |
Remote Control on the Seaboard
5.4 MB
|
1924 |
Results of Train Control Test on Pennsylvania
3.1 MB
|
1950 |
Retained-Neutral Neutral Relay
3.4 MB
|
1948 |
Rock Island Adapts CTC to Medium-Traffic Single-Track Line
1.3 MB
|
1937 |
Rock Island Installs Automatic Blocks
10.1 MB
|
1944 |
Rock Island Installs Cab Signaling and Centralized Traffic Control
10.0 MB
|
1950 |
Route Type Interlocking on New York Subway
8.7 MB
|
1944 |
Santa Fe Installs CTC on 115.6 Miles Los Angeles to San Diego
7.2 MB
|
1961 |
Santa Fe Signals New Main Line
913.2 KB
|
1937 |
Shunt Sensitivity and Broken Rail Protection
4.3 MB
|
1937 |
Signal Construction on the Wabash
12.2 MB
|
1944 |
Signaling Modernized On the Pittsburgh & Lake Erie
4.7 MB
|
1937 |
Signaling on the Wabash
3.7 MB
|
1949 |
Signaling Saves Time on Frisco
4.8 MB
|
1956 |
Small Flat Top Console for Controls And Separate Diagram for Indications
5.3 MB
|
1947 |
Southern Pacific Installs CTC
990.2 KB
|
1954 |
SP Modernizes Automatic Block
2.0 MB
|
1952 |
Speed Control Installed on the Long Island
1.3 MB
|
1950 |
SS Protection
2.1 MB
|
1944 |
St. Louis Southwestern Installs Centralized Traffic Control
6.9 MB
|
1944 |
St. Louis-San Francisco Installs Centralized Traffic Control
8.3 MB
|
1910 |
The Multiple Unit Electric Interlocking Machine
1.5 MB
|
1947 |
The New Haven Installs All-Relay Interlocking at Providence, RI
1.9 MB
|
1911 |
The Staff System on the Southern Pacific
4.0 MB
|
1924 |
The Union Continuous Train Control
5.7 MB
|
1913 |
The Union’s Signaling Exhibition Room
1.5 MB
|
1954 |
This Automatic Block Is Different
3.3 MB
|
1939 |
Track Relay Release Time
1.8 MB
|
1937 |
Track Shunting Problems
2.5 MB
|
1926 |
Train Control Progress in 1925
3.1 MB
|
1909 |
Train staff installation on the NYNH&H
1.0 MB
|
1944 |
Train Telephone Communication
4.1 MB
|
1943 |
Union Pacific Installs CTC on 175 Miles of Single Track
13.2 MB
|
1932 |
Union Retained-Neutral Polarized Relay
471.0 KB
|
1909 |
Union Switch & Signal’s Inspection Trip
1.5 MB
|
1928 |
Union Type HC5 Flasher with Vertical "Stop" Sign
495.9 KB
|
1929 |
US&S float
512.3 KB
|
1954 |
Wabash Yard Moves Expedited
1.2 MB
|
1946 |
War-Time Replacement of Interlocking on Pere Marquette
3.4 MB
|
1929 |
What Is the Future of Train Control?
1.8 MB
|
1942 |
Why Coded Track Circuits Can Be Longer
864.8 KB
|
1954 |
Why Cotton Belt Installed CTC On 429 Miles of Single Track
4.0 MB
|
1936 |
Yard Entrance in Montreal Remotely Controlled
8.2 MB
|
1930 |
Yard Track Indicator and Control Stand
632.6 KB
|