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The Union Switch and Signal Company
Swissvale, Pa.
1909
Electric Interlocking
Catalogue |
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General Railway Signal Company
Type B Relays
General Information
Inspection and Maintenance
Handbook 18 |
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The Union Switch and Signal Company
Swissvale, Pa.
Volume 2
Electric Interlocking
Catalogue
1911 |
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General Railway Signal Company
Alternating Current Signals
On The Southern
Bulletin 126
December 1913 |
 |
Union Switch and Signal Company
U-5007
Installation and
Adjustment of
Position Light Signal |
 |
General Railway Signal Company
Absolute
Permissive
Block System
Bulletin 128A |
 |
Union Switch and Signal Company
U-5012
Installation and Maintenance
of
Style "P-2"
Color Light Signal |
 |
General Railway Signal Company
Modern Crossing
Protection By G-R-S
Type XA and XB Signals
Bulletin 165 |
 |
Union Switch and Signal Company
U-5034
Installation and Maintenance of
Styles H and H-2 Searchlight Signals
with Permanent Magnet Field Structure |
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General Railway Signal Company
The NX
System of
Electric Interlocking
Bulletin 167 |
 |
Union Switch and Signal Company
U-5037
Life, Installation and
Replacement of
Railway Light Signal
Lamps |
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General Railway Signal Company
Economical Protection
With
Slide Detector Fences
Bulletin 168 |
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Union Switch and Signal Company
U-5429
Installation of Inclined
Cover Glasses with
Phankill Units
on Existing Color Light Signals |
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General Railway Signal Company
Centralized
Traffic
Control
Bulletin 169 |
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Union Switch and Signal Company
Bulletin 45
A System of Automatic Block
Signaling for Signgle
Track Operation |
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General Railway Signal Company
Speed and Simplicity
in Train Direction
First NX Interlocking in the U.S.A.
Bulletin 172 |
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Union Switch and Signal Company
Bulletin 73
Electro-Pneumatic
Interlocking |
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General Railway Signal Company
Types MD and ME
Dwarf Signals
Two-Indication
Color Light
Bulletin 175 |
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Union Switch and Signal Company
U-5006
Maintenance
of
Style "T-2" D.C. Signals |
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General Railway Signal Company
SC
Signal
Bulletin 176 |
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Union Switch and Signal Company
U-5013
Maintenance
of
Style "B"
a-c. and d-c.
Signals |
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General Railway Signal Company
Model 9A
Electric
Switch
Lock
Bulletin 181 |
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The Union Switch and Signal Company
1894
A Catalogue
Of The
Devices and Their Parts
|
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General Railway Signal Company
1905
Section 1
Electric Interlocking |
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The Union Switch and Signal Company
The Union Electric
Semaphore Signal
Bulletin No. 6 |
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General Railway Signal Company
1905
Section 2
Mechanical Interlocking |
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The Union Switch and Signal Company
1907
Catalogue of
Pennsylvania Railroad
Standard Appliances |
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General Railway Signal Company
1909
Bulletin No. 112
Controlled Manual Block System
Station Block Instruments |
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The Union Switch and Signal Company
A Catalogue and Price List
of
Interlocking and
Signaling Devices
1909 |
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General Railway Signal Company
Type SA
Color-Light
Signal
Handbook 29 |
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The Union Switch and Signal Company
Swissvale, Pa.
1907
Electro-Pneumatic
Catalogue |
 |
General Railway Signal Company
Railway Signal
Engineering |
 |
The Union Switch and Signal Company
Swissvale, Pa.
1909
Electro-Pneumatic
Catalogue
Volume 2 |
 |
General Railway Signal Company
1927
Bulletin 154
Centralized
Traffic Control |
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The Union Switch and Signal Company
Swissvale, Pa.
1909
Electro-Pneumatic
Catalogue
Volume 3 |
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The Union Switch and Signal Company
Bulletin 124
Turning Minutes
Into
Dollars |
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General Railway Signal Company
All-Relay
Interlocking
Systems
Bulletin 188 |
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The Union Switch and Signal Company
The Signal
In The
Cab
Bulletin 144 |
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General Railway Signal Company
Type SC
Color-Light
Signal
Handbook 23 |
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The Union Switch and Signal Company
Centralized
Traffic Control
Union CTC
Bulletin 148 |
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General Railway Signal Company
GRS Color Light
& Position Light
Signals
Bulletin 144 |
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The Union Switch and Signal Company
Operation of Trains by Signal
Indication on Single Track
Central of Georgia
Bulletin 127 |
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General Railway Signal Company
1911
Bulletin No. 120
Automatic Signaling
for
Electric Railways |
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The Union Switch and Signal Company
Automatic Block Signaling
Washington, Baltimore & Annapolis Electric R.R.
Bulletin 61 |
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General Railway Signal Company
Type S and SA
Color-Light Signals
Installation, Operation
and Maintenance
Booklet No. 8
January 1929 |
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The Union Switch and Signal Company
The Table Interlocker
Bulletin 110 |
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General Railway Signal Company
1908
Section 5
Automatic Block Signaling For Steam Roads |
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The Union Switch and Signal Company
Swissvale, Pa.
1909
Catalogue of
Electric Crossing Bell
Appliances |
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General Railway Signal Company
1910
Bulletin No. 115
Supplementing Catalogue, Sections 1, 2, and 5
Model 2A Signal |
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The Union Switch and Signal Company
Alternating Current
Signaling
1915
|
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General Railway Signal Company
1911
Bulletin No. 115-A
Supplementing Catalogue, Sections 1, 2, and 5
Model 2A Signal |
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The Union Switch and Signal Company
Catalogue of
Interlocking
May 1st, 1883 |
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General Railway Signal Company
1911
Bulletin No. 115-B
Block Signaling
for
High Speed Interurban Lines |
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The Union Switch and Signal Company
Catalogue of
Automatic Rail Circuit Block, Draw-Bridge,
Crossing and Station Signaling
May 1st, 1883 |
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General Railway Signal Company
1914
Bulletin No. 115-C
GRS
Model 2A
Signal |
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The Union Switch and Signal Company
Centralized Traffic Control
Catalog
Section "T"
No. 306 July, 1941 |
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General Railway Signal Company
The Way Is Clear
Bulletin 124
October, 1912 |
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The Union Switch and Signal Company
Catalogue of Interlocking
and Signaling Devices
1902
Section 1
Mechanical Interlocking Machines
and Ground Lever Stands |
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General Railway Signal Company
A Powerful
Signal
Indication
Type SA
Searchlight Signal
Bulletin 163
February, 1932 |
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The Union Switch and Signal Company
Catalogue of Interlocking
and Signaling Devices
1902
Section 2
Mechanical Ground Connections
and Leadout Appliances |
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General Railway Signal Company
Assemblies
Signal
Equipment
Sections 5 - 97
1959 - 1969 |
 |
The Union Switch and Signal Company
Catalogue of Interlocking
and Signaling Devices
1902
Section 4
Mechanical Interlocking
Signals |
 |
General Railway Signal Company
Switch Machines
For Your
Main Line Switches
Bulletin 161
July 1930 |
 |
The Union Switch and Signal Company
Catalogue of Interlocking
and Signaling Devices
1902
Section 11
Electric Locks, Electric Slots,
Hand Releases and Time Locks |
 |
General Railway Signal Company
XB Crossing Signals
Have
Strong Backlight Indications
F-O34
October 1931 |
 |
The Union Switch and Signal Company
Catalogue of Interlocking
and Signaling Devices
1902
Section 12
The Union Electric Semaphore
and
The Union Disc Signal |
 |
General Railway Signal Company
1901
Bulletin No. 105
Supplementing Catalogue, Sections 1, 2 and 5
Outlying Switch Lock
Model 1 Form A |
 |
The Union Switch and Signal Company
A Story of
Two Wires
Bulletin 112
June-1927
Reprinted October-1927 |
 |
General Railway Signal Company
Type K Relays
Bulletin 162
August 1931 |
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The Union Switch and Signal Company
Union Electric Semaphore
Equipped With
Style "S" Mechanism
1911
Bulletin No. 42 |
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General Railway Signal Company
Alternating-Current
Block Signals on the
Southern Railway System
Bulletin 146
October 1925 |
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The Union Switch and Signal Company
Interborough Rapid Transit
Company, New York.
Electro-Pneumatic Interlocking
and Signaling
Bulletin No. 21
Revised Print |
 |
General Railway Signal Company
A.P. Block System
for Single Track
Steam Railroads
Bulletin 128
March 1912 |
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The Union Switch and Signal Company
Safety Efficiency Economy
The TDB System
Bulletin No. 69
February 1914 |
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General Railway Signal Company
Model 2A Signal
Handbook 2 Pre-1918
Booklet 1003A Post-1918
March 1914 |
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The Union Switch and Signal Company
Style "T-2" Signals
Bulletin No. 67
October 1913 |
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General Railway Signal Company
Electric
Interlocking
Handbook (First Print)
1913 |
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The Union Switch and Signal Company
Union Three Aspect Flagman
Style "DW"
Bulletin No. 86 with
Supplement No. 1
December 1916 |
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The Union Switch and Signal Company
Training Course In
Railway Signal
Engineering
Bulletin No. 140 |
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The Union Switch and Signal Company
Multiple Unit
Electric Interlocking
System
Bulletin No. 49 |
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The Union Switch and Signal Company
Remote Control
Bulletin 152
August, 1937 |
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The Union Switch and Signal Company
The Type "F" System
of Electric Interlocking
Bulletin 100
November, 1922 |
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The Union Switch and Signal Company
"Union" Automatic
Continuous
Train Control
Bulletin 105
October, 1929 |
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The Union Switch and Signal Company
Electric
Train Staff
Catalogue
September, 1907 |
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The Union Switch and Signal Company
Operating Trains Without
Train Orders
Bulletin 150
April, 1935 |
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|
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Signal Indication Slide Card
New York
New Haven
and
Hartford Railroad |
 |
Exide
Signal Power
for
the Maintainer |
 |
Saxby & Farmer, Ltd.
Control of
Single Line
Railways
By The Webb-Thopmson
Miniature Train Staff Apparatus
"S" Type
Catalogue C (1914 Edition) |
 |
Western Railroad Supply Company
Railroad
Equipment
Signaling
Communications
Maintenance of Way
Mechanical |
 |
Williamsport & Susquehanna Division
Instruction and Examination of Signals
May 1st, 1914 |
 |
The Adams & Westlake Company
Electric Signal Lamp Equipped with
Decentered CORNING-LEBBY Mirror
Adlake "LEBBY Focusing Device" and
6 3/8 in. 25* Ruby Deflecting Cover Glass |
 |
Griswold Signal Company
Flashing Light
Rotating Banner
Signals
A - Section |
 |
Griswold Signal Company
Minneapolis, Minn
Rotating Banner Diagrams and Prints |
 |
Chicago Railway Signal and Supply Company
1914
Catalogue and Price List
of Electric and Mechanical Railway Signals
Highway Crossing Alarms
Signaling Materials and Signal Accessories |
 |
The Railroad Signal Supply Company
Railway
Signal
Supplies
Catalog No. 32
1895 - 1927 |
 |
Federal Telephone and Radio Company
A Division of IT&T
IT&T
Sequence Switch
Interlocking System |
 |
Griswold Signal Company
Flashing Light
Signals
D
Section
Scanned by Philip Martin |
 |
United States Electric Signals
Parts For:
K and K2 |
 |
Louisville Frog, Switch and Signal Company
Successor to
Southern Signal Corporation
Successor to
Peerless Manufacturing Corporation
Catalogs
Scanned by Philip Martin |
 |
The General Electric Company Limited
Railway Signalling Apparatus
January, 1923
Scanned by Philip Martin |
 |
Bryant Zinc Company
Catalogue No. 19
1911
Courtesy of Philip Martin |
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Chicago Railway Signal & Supply Co.
Chicago, Ill.
1928
Scanned by Philip Martin |
 |
The Railway Supply Company
Section Number One
Crossing Signal Poles, Warning Signs, Vibrating Bells, High Voltage Adapters, and Etc.
Scanned By Philip Martin |
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The Hutchinson Train Indicators
National Indicator Company
New York, U.S.A. |
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LOCKING
By
Frederick C. Lavarack
1907 |
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LOCKE Insulator Corporation
Catalog No. 32
January 1, 1932
Baltimore, Maryland |
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The LOCKE Insulator Mfg. Co.
The Insulator Book
1912 |