CHARTERTOCONDUCTOR’S RAILROAD SIGNAL MANUAL LIBRARY

FROM ABSOLUTE BLOCK SYSTEMS TO CENTRAL TRAFFIC CONTROL FROM EARLY TWENTIETH CENTURY TO TODAY’S TRAFFIC AND RAILROAD SIGNALS

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AMERICAN ASSOCIATION RAILROADS RAILROAD SIGNALS PDF PORTFOLIO

Chapter 01 – History & Development of Railway Signaling, 195Download
Chapter 02 – Symbols, Aspects and Indications, 1929Download
Chapter 02 – Symbols, Aspects and Indications, 1946Download
Chapter 02 – Symbols, Aspects and Indications, 1956Download
Chapter 03 – Principles & Economic Phase of Signaling, 1934Download
Chapter 03 – Principles & Economics of Signaling, 1955Download
Chapter 03 – Principles & Economics of Signaling, April 1946Download
Chapter 05 – Batteries, 1927Download
Chapter 05 – Batteries, 1948Download
Chapter 06 – Direct Current Relays, 1927Download
Chapter 06 – Direct Current Relays, 1941Download
Chapter 06 – Direct Current relays, 1959Download
Chapter 07 – DC Track Circuits, 1928Download
Chapter 07 – Non-coded DC Track Circuits, 1948Download
Chapter 08 – Transformers, 1928Download
Chapter 08 – Transformers, 1953Download
Chapter 09 – Rectifiers & Battery Chargers, 1948Download
Chapter 09 – Rectifiers & Fundamental Theory of AC Currents,Download
Chapter 10 – Alternating Current Relays, 1927Download
Chapter 10 – Alternating Current Relays, 1951Download
Chapter 11 – AC Track Circuits, 1930Download
Chapter 11 – Non-coded Alternating Current Track Circuits, 1Download
Chapter 12 – Semaphore Signals, 1930Download
Chapter 12 – Semaphore Signals, 1948Download
Chapter 13 – Light Signals and Light Signal Lamps, 1949Download
Chapter 13- Light Signals, 1930Download
Chapter 14 – Definitions, 1940 (see M-RP Part 55)Download
Chapter 14 – Definitions, 1956Download
Chapter 15 – Automatic Block Systems, 1935Download
Chapter 15 – Block Signal Systems, 1955Download
Chapter 16 – Interlocking, 1931Download
Chapter 16 – Interlocking, 1952Download
Chapter 17 – Mechanical & Electro-Mechanical Interlockin (1)Download
Chapter 17 – Mechanical & Electro-Mechanical Interlocking, 1Download
Chapter 18 – Electro-Pneumatic Interlocking, 1930Download
Chapter 18 – Electro-Pneumatic Interlocking, 1953Download
Chapter 19 – Electric Interlocking, 1934Download
Chapter 19 – Electric Interlocking, 1950Download
Chapter 20 – Interlocking Circuits, 1941Download
Chapter 21 – Hump Yard Systems, 1935Download
Chapter 21 – Hump Yard Systems, 1948Download
Chapter 22 – Manual & Controlled Manual Block Systems and FuDownload
Chapter 23 – Highway Crossing Protection, 1928Download
Chapter 23 – Railroad-Highway Grade Crossing Protection, 196Download
Chapter 24 – Power Distribution Systems & Lightning ProtectiDownload
Chapter 24 – Signal Power Transmission and Lighning ProtectiDownload
Chapter 25 – Coded Track Circuits, 1959Download
Chapter 26 – Relay Interlocking, 1961Download
ELECTRO PNEUMATIC INTERLOCKING UNION SWITCH AND SIGNAL CO.Download
AUTOMATIC BLOCK SIGNALING UNION SWITCH AND SIGNAL CO.Download
THE TABLE INTERLOCKER UNION SWITCH AND SIGNAL CO.Download
TURNING MINUTES INTO DOLLARS UNION SWITCH AND SIGNAL CO.
Download
OPERATION OF TRAINS BY SIGNAL INDICATION ON SINGLE TRACK / CENTRAL OF GEORGIADownload
THE SIGNAL IN THE CAB/UNION SWITCH AND SIGNAL CO.Download
1909 ELECTRIC INTERLOCKING CATALOGUE /USSDownload
CATALOGUE OF INTERLOCKING AND SIGNALING DEVICES /USS 1904Download
ELECTRIC PNEUMATIC INTERLOCKING AND SIGNAL DEVICES/1907 USSDOWNLOAD
VOLUME 2 ELECTRO-PNEUMATIC INTERLOCKING AND SIGNALING DEVICES /USS 1909Download
INSTALLATION AND MAINTENANCE OF STYLES “H” AND “H-2” PERMANENT MAGNET FIELD STRUCTURESDownload
CATALOGUE OF PENNSYLVANIA INTERLOCKING AND SIGNALING DEVICESDownload
Wigwag CROSSINGDownload
WILLIAMSPORT AND SUSQUEHANNA INSTRUCTION AND EXAMINATIONS OF SIGNALSDownload
THE ADAMS AND WESTLAKE CO. ELECTRIC SIGNAL LAMPDownload
Chicago_1914_RAILWAY SIGNAL AND SUPPLY COMPANYDownload
Conrail_POSTION LIGHT SIGNAL ASPECTSDownload
CSX Signal RulesDownload
Exide1929_SIGNAL POWERDownload
Griswold_FLASHING LIGHT SIGNALSDownload
FLASHING LIGHT ROTATING BANNER SIGNALS GRISWOLD CO.Download
BLUEPRINTS SIGNAL /GRISWOLD CO.Download
GENERAL RAILWAY SIGNAL CO, 1909Download
GENERAL RAILWAY SIGNAL CO. MODEL 2A SIGNALDownload
BLOCKING SIGNALING AND HIGH SPEED INTERURBAN LINES GRS 1911Download
GRS MODEL 2A SIGNAL 1914Download
AUTOMATIC SIGNALING FOR ELECTRIC RAILWAYS /GRS 1911Download
GRS_124_ THE WAY IS CLEARDownload
ABSOLUTE PERMISSIVE BLOCK SYSTEM GRS Download
COLOR LIGHT AND POSITION LIGHT SIGNALS GRS BULLETIN 144Download
CENTRALIZED TRAFFIC CONTROL GRSDownload
TYPE SA SIGNAL GRS BULLETIN 163Download
TYPE XA AND XB SIGNALS MODEL CROSSING PROTECTION GRSDownload
ECONOMICAL PROTECTION WITH SLIDE DETECTOR FENCES BULLETIN 168Download
CENTRALIZED TRAFFIC CONTROL BULLETIN 169 GRSDownload
SPEED AND SIMPLICITY IN TRAIN DIRECTING GRS BULLETIN 172Download
SC SIGNAL GRS BULLETIN 176Download
ELECTRIC SWITCH LOCK GRS MODEL 9ADownload
ALL RELAY INTERLOCKING SYSTEMS GRS BULLETIN 188Download
GRS_1905_E_ ELECRTRIC INTERLOCKING SECTION 1Download
GRS_1905_ MECHANICAL INTERLOCKINGS SECTION 2Download
GRS_1908_AUTOMATIC BLOCK SIGNALING FOR STEAM ROADSDownload
GRS_Handbook_29_INSTALLATION OPERATION MAINTENANCEDownload
GRS_MD AND ME DWARF SIGNALSDownload
GRS_NX SYSTEM OF ELECTRIC INTERLOCKINGSDownload
GRS_RAILWAY SIGNAL ENGINEERINGDownload
Hall_AUTOMATIC ELECTRIC DISC AND SEMAPHORE SIGNALING APPARATUSDownload
Hall_06_ocr_secDownload
ALTERNATING CURRENT TRACK CIRCUIT INSTALLATION NO 12 HALLDownload
TYPE S AN SA COLOR LIGHT SYSTEMS GRS 1929Download
Handbook_18_TYPE B RELAYS Download
Handbook_23_TYPE SC COLOR LIGHT SIGNALDownload
ITT_SEQUENCE SWITCH INTERLOCKING SYSTEMSDownload
Magnetic_1731_secDownload
Magnetic WIG WAG CROSSING FLAGMANDownload
MagneticInstructions_ocr_secDownload
MagneticSignal1940_ocr_secDownload
CONTROL OF SINGLE LINE RAILWAYS S TYPEDownload
SignalpersonReference0810_2Download
SlideCardDownload
Taylor1902_ELECTRIC INTERLOCKING SYSTEMDownload
MAINTENANCE F TYPE T2 D.C. SIGNALSDownload
MAINTENANCE OF STYLE “B” A.C. AND D.C. SIGNALSDownload
U-5007_INSTALLATION AND ADJUSTMENT OF POSITION LIGHT SIGNALDownload
U-5012_INSTALLATION AND MAINTENANCE OF STYLE “P-2” COLOR LIGHT SIGNALDownload
U-5429_INCLINED COVER GLASSES WITH PHANKILL UNITSDownload
USS_ELECTIC SEMAPHORE SIGNAL Download
USS_45_A SYSTEM OF AUTOMATIC BLOCK SIGNALING OF SINGLE TRACK OPERATIONDownload
USS_61_AUTOMATIC BLOCK SIGNALINGDownload
USS_73 ELECTRIC PNEUMATIC INTERLOCKING Download