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| JULY 1972 |
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| DRAFT SERIES |
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| Division |
No. |
Issue |
Title |
| ELECTRONICS |
1/1 |
1 |
SIMPLE VALVES |
| ELECTRONICS |
1/2 |
2 |
MULTI-ELECTRODE VALVES |
| ELECTRONICS |
1/4 |
2 |
THE CATHODE RAY TUBE AND SIMPLE ASSOCIATED CIRCUITS |
| ELECTRONICS |
1/5 |
1 |
AN INTRODUCTION TO GAS FILLED ELECTRONIC DEVICES |
| ELECTRONICS |
2/1 |
4 |
INTRODUCTION TO AMPLIFIERS |
| ELECTRONICS |
2/2 |
6 |
AUDIO FREQUENCY AMPLIFIERS |
| ELECTRONICS |
2/3 |
3 |
AN INTRODUCTION TO THE TUNED AMPLIFIER |
| ELECTRONICS |
2/4 |
3 |
TUNED VOLTAGE AMPLIFIERS |
| ELECTRONICS |
2/7 |
3 |
PUSH-PULL AMPLIFIERS |
| ELECTRONICS |
2/8 |
7 |
AN INTRODUCTION TO NEGATIVE FEED BACK |
| ELECTRONICS |
3/1 |
4 |
ELEMENTARY 0SCILLATORS |
| ELECTRONICS |
3/2 |
5 |
THERMIONIC VALVE OSCILLATOR CIRCUITS |
| ELECTRONICS |
4/1 |
2 |
AMPLITUDE MODULATION |
| ELECTRONICS |
4/3 |
2 |
DETECTION |
| ELECTRONICS |
5/1 |
1 |
RECTIFICATION UNITS |
| ELECTRONICS |
5/2 |
4 |
SEMICONDUCTOR DEVICES, CONSTRUCTION AND CHARACTERISTICS |
| ELECTRONICS |
5/3 |
3 |
INTRODUCTION TO TRANSISTOR AMPLIFIERS |
| ELECTRONICS |
5/5 |
4 |
TRANSISTOR TUNED AMPLIFIERS |
| ELECTRONICS |
6/1 |
2 |
SEMI-CONDUCTOR THEORY |
| ELECTRONICS |
6/2 |
3 |
EQUIVALENT CIRCUITS OF VALVES & TRANSISTORS |
| ELECTRONICS |
6/3 |
1 |
LASERS AND MASSES |
| ELECTRONICS |
7/1 |
1 |
LOW-WATTAGE POWER SUPPLIES |
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| GENERAL |
2/1 |
3 |
LETTER SYMBOLS, SIGNS AND ABBREVIATIONS |
| GENERAL |
2/2 |
3 |
GRAPHICAL SYMBOLS FOR TELECOMMUNICATIONS IN ACCORDANCE WITH BS 530 |
| GENERAL |
2/3 |
3 |
TELECOMMUNICATIONS DIAGRAM PRACTICE |
| GENERAL |
2/4 |
2 |
INTRODUCTION TO ENGINEERING DRAWING |
| GENERAL |
2/5 |
3 |
ORTHOGRAPHIC PROJECTION |
| GENERAL |
2/6 |
1 |
DRAWING FOR PICTORIAL REPRESENTATION |
| GENERAL |
2/7 |
2 |
ENGINEERING DRAWING |
| GENERAL |
2/8 |
1 |
SECTION DRAWING |
| GENERAL |
2/9 |
2 |
STANDARD SCREW THREADS, RIVETS AND ROLLED STEEL SCREWS |
| GENERAL |
2/10 |
1 |
DRAWING SURFACE -- DEVELOPMENTS AND INTERSECTIONS |
| GENERAL |
2/12 |
3 |
AN INTRODUCTION TO LINE SIGNALLING IN TELEPHONY AND TELEGRAPHY |
| GENERAL |
2/13 |
1 |
GRAPHICAL SYMBOLS FOR TELECOMMUNICATIONS IN ACCORDANCE WITH BS 3939 |
| GENERAL |
3/2 |
5 |
RESISTORS, CAPACITORS, TRANSFORMERS AND INDUCTORS |
| GENERAL |
3/2 |
1 |
JACKS, PLUGS, LAMP JACKS AND KEYS |
| GENERAL |
3/4 |
3 |
GENERAL PURPOSE TELEPHONE RELAYS |
| GENERAL |
3/5 |
4 |
SPECIAL TYPES OF TELEPHONE AND TELEGRAPH RELAYS |
| GENERAL |
3/6 |
1 |
ELECTROMAGNETIC INDICATING DEVICES |
| GENERAL |
3/7 |
2 |
TYPICAL INTERNAL WIRES AND CABLES USED IN TELECOMMUNICATIONS |
| GENERAL |
3/8 |
4 |
THE CONSTRUCTION, CABLING AND JUMPERING OF MAIN AND INTERMEDIATE
DISTRIBUTION FRAMES |
| GENERAL |
4/1 |
7 |
ELECTRO-ACOUSTIC DEVICES |
| GENERAL |
5/1 |
2 |
SOLDERING AND PLUMBING |
| GENERAL |
6/1 |
1 |
THE CHANGE TO METRIC |
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| LINES |
1/1 |
8 |
PROVISION & MAINTENANCE OF OVERHEAD WIRES |
| LINES |
1/3 |
6 |
POLES AND POLE FITTINGS |
| LINES |
1/4 |
1 |
CONSTRUCTION OF OVERHEAD ROUTES |
| LINES |
1/5 |
4 |
AERIAL SUPPORTING STRUCTURES |
| LINES |
1/6 |
5 |
FORCES IMPOSED ON OVERHEAD CONDUCTORS AND THEIR SUPPORTS |
| LINES |
1/7 |
6 |
AERIAL CABLING |
| LINES |
2/1 |
1 |
EXCAVATION FOR EXTERNAL CONSTRUCTION |
| LINES |
2/2 |
4 |
MATERIALS USED IN THE CONSTRUCTION OF MANHOLES AND JOINT BOXES |
| LINES |
2/3 |
3 |
EARTH PRESSURE AND TRAFFIC LOADL4G WITH RELATION TO MANHOLE DESIGN |
| LINES |
2/4 |
6 |
JOINTING CHAMBERS FOR UNDERGROUND ROUTES |
| LINES |
2/5 |
6 |
DUCTS |
| LINES |
2/6 |
2 |
CABLE LAYING AND LEADING-IN ARRANGEMENTS |
| LINES |
2/7 |
4 |
MAKE UP OF MULTI-PAIR CABLES FOR USE AT AUDIO-FREQUENCIES |
| LINES |
2/8 |
6 |
TELEPHONE CABLES FOR WIDE FREQUENCY RANGES |
| LINES |
2/9 |
1 |
JOINTING MULTI-PAIR AUDIO CABLES |
| LINES |
2/20 |
3 |
STRENGTH OF MATERIALS USED IN EXTERNAL CONSTRUCTION |
| LINES |
2/21 |
5 |
CONCRETE, MIXTURE, STRENGTH & REINFORCEMENT |
| LINES |
3/1 |
1 |
SURVEYING AND LEVELLING |
| LINES |
3/3 |
4 |
SURVEYS FOR NEW LINES |
| LINES |
3/4 |
2 |
PROTECTIVE DEVICES USED IN TELEPHONE AND TELEGRAPH LINES |
| LINES |
3/6 |
6 |
CORROSION OF TELECOMMUNICATION LINE PLANT |
| LINES |
3/8 |
4 |
METHODS OF LOADING TELEPHONE CABLES |
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| MATHEMATICS |
1/1 |
2 |
SIMPLE ARITHMETIC |
| MATHEMATICS |
1/2 |
2 |
FRACTIONS |
| MATHEMATICS |
1/3 |
2 |
DECIMALS |
| MATHEMATICS |
1/4 |
3 |
RATIO AND PROPORTION |
| MATHEMATICS |
1/5 |
2 |
AREAS, VOLUMES AND SURFACE AREAS |
| MATHEMATICS |
1/6 |
1 |
AREAS OF SECTORS, SEGMENTS AND SIMILAR FIGURES |
| MATHEMATICS |
2/1 |
2 |
INTRODUCTION TO ALGEBRA |
| MATHEMATICS |
2/2 |
2 |
SIMPLE EQUATIONS |
| MATHEMATICS |
2/3 |
1 |
SIMULTANEOUS EQUATIONS |
| MATHEMATICS |
2/4 |
3 |
QUADRATIC SQUAT IONS |
| MATHEMATICS |
2/5 |
2 |
INDICES |
| MATHEMATICS |
2/6 |
3 |
LOGARITHMS |
| MATHEMATICS |
2/7 |
1 |
THE SLIDE RULE |
| MATHEMATICS |
2/8 |
3 |
GRAPHS |
| MATHEMATICS |
2/9 |
1 |
AREA OF GRAPHS |
| MATHEMATICS |
3/1 |
2 |
ELEMENTARY GEOMETRY |
| MATHEMATICS |
4/1 |
2 |
TRIGONOMETRY |
| MATHEMATICS |
4/2 |
3 |
TRIGONOMETRICAL PATIOS AND CIRCULAR FUNCTIONS |
| MATHEMATICS |
5/1 |
1 |
BINARY ARITHMETIC |
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| MEASUREMENTS |
1/1 |
3 |
THE PRINCIPLES AND CONSTRUCTION OF D.C. MEASURING INSTRUMENTS |
| MEASUREMENTS |
1/2 |
2 |
RANGE EXTENSION AND USE OF SIMPLE TEST INSTRUMENTS |
| MEASUREMENTS |
1/4 |
1 |
THE POTENTIOMETER |
| MEASUREMENTS |
1/5 |
3 |
WHEATSTONE BRIDGE AND ITS USES |
| MEASUREMENTS |
1/6 |
1 |
OHMMETERS (MEGGERS & BRIDGE MEGGERS) |
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| POWER |
1/1 |
5 |
PRIMARY CELLS AND ACCUMULATORS |
| POWER |
1/2 |
5 |
OUTLINE OF CHARGE-DISCHARGE AND FLOAT BATTERY WORKING |
| POWER |
4/4 |
2 |
RINGING MACHINES |
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| PRINCIPLES |
1/1 |
5 |
AN INTRODUCTION TO MECHANICS |
| PRINCIPLES |
1/2 |
4 |
STRESS, STRAIN AND ELASTICITY |
| PRINCIPLES |
1/3 |
2 |
COMBINATION OF FORCES |
| PRINCIPLES |
1/4 |
2 |
MACHINES AND FRICTION |
| PRINCIPLES |
2/1 |
3 |
HEAT |
| PRINCIPLES |
2/2 |
3 |
LIGHT |
| PRINCIPLES |
2/3 |
3 |
SOUND |
| PRINCIPLES |
2/4 |
2 |
INTRODUCTION TO CHEMISTRY AND ELECTRO-CHEMISTRY |
| PRINCIPLES |
2/5 |
1 |
STATIC'S, LIQUIDS AND GASES |
| PRINCIPLES |
3/1 |
2 |
INTRODUCTION TO ELECTROSTATICS |
| PRINCIPLES |
3/2 |
2 |
INTRODUCTION TO MAGNETISM |
| PRINCIPLES |
3/3 |
2 |
INTRODUCTION TO CURRENT ELECTRICITY |
| PRINCIPLES |
3/4 |
1 |
THE SIMPLE ELECTRIC CIRCUIT |
| PRINCIPLES |
3/5 |
1 |
PARALLEL AND SERIES PARALLEL CIRCUITS |
| PRINCIPLES |
3/6 |
1 |
CONDUCTORS AND INSULATORS |
| PRINCIPLES |
3/7 |
2 |
ELECTROMAGNETISM AND ELECTROMAGNETIC INDUCTION |
| PRINCIPLES |
3/8 |
1 |
HEATING EFFECT OF A CURRENT |
| PRINCIPLES |
3/9 |
1 |
INDUCTANCE & CAPACITANCE IN D.C. CIRCUITS |
| PRINCIPLES |
3/10 |
1 |
KIRCHHOFF-S LAWS |
| PRINCIPLES |
3/11 |
4 |
MAGNETIC MATERIALS CIRCUITS & APPLICATIONS |
| PRINCIPLES |
4/1 |
3 |
INTRODUCTION TO A.C. THEORY |
| PRINCIPLES |
4/2 |
4 |
SIMPLE A.C. THEORY |
| PRINCIPLES |
4/3 |
1 |
PROPERTIES & USES OF INSULATING MATERIALS |
| PRINCIPLES |
4/4 |
4 |
TRANSFORMER THEORY |
| PRINCIPLES |
4/5 |
3 |
ELECTROMAGNETIC FIELDS AND RADIATION |
| PRINCIPLES |
5/1 |
1 |
RELIABILITY |
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| RADIO |
1/1 |
4 |
INTRODUCTION TO RADIO |
| RADIO |
1/2 |
7 |
RADIO COMMUNICATION SERVICES |
| RADIO |
3/1 |
3 |
AN INTRODUCTION TO COMPLEX AERIAL SYSTEMS |
| RADIO |
4/2 |
4 |
THE SUPERHETERODYNE RECEIVER |
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| TELEGRAPHY |
1/1 |
3 |
BASIC TELEGRAPH TRANSMISSION THEORY |
| TELEGRAPHY |
2/1 |
2 |
TELEGRAPH CIRCUITS (INLAND) |
| TELEGRAPHY |
3/1 |
3 |
M.C.V.F. TELEGRAPH SYSTEMS AND EQUIPMENT |
| TELEGRAPHY |
3/2 |
1 |
M.C.V.F. TEST & MISCELLANEOUS FACILITIES |
| TELEGRAPHY |
4/1 |
2 |
TELEGRAPH MACHINES - THE TELEPRINTER NO. 7 |
| TELEGRAPHY |
4/2 |
1 |
TELEGRAPH MACHINES - THE TELEPRINTER NO. 11 |
| TELEGRAPHY |
4/20 |
1 |
TELEGRAPH AUTOMATIC MACHINES AND ATTACHMENTS |
| TELEGRAPHY |
5/1 |
6 |
TELEGRAPH NETWORKS INTRODUCTION |
| TELEGRAPHY |
5/4 |
1 |
TELEGRAPH NETWORKS PRIVATE WIRES |
| TELEGRAPHY |
5/10 |
1 |
AN INTRODUCTION TO THE TELEX SYSTEM |
| TELEGRAPHY |
5/11 |
1 |
TELEX SUBSCRIBERS' STATION SIGNALLING UNIT AND STATION LINE CIRCUIT |
| TELEGRAPHY |
5/12 |
1 |
TELEX 200-OUTLET GROUP SELECTOR |
| TELEGRAPHY |
5/15 |
1 |
TELEX FINAL SELECTOR |
| TELEGRAPHY |
5/16 |
1 |
TELEX BOTHWAY TRUNK, LEVEL AND TEST MESSAGE RELAY SETS |
| TELEGRAPHY |
5/17 |
1 |
TELEX SIGNAL AND METER PULSE GENERATION AND DISTRIBUTION |
| TELEGRAPHY |
6/1 |
2 |
FACSIMILE TELEGRAPHY |
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| TELEPHONES |
1/1 |
4 |
LOCAL BATTERY AND CENTRAL BATTERY TELEPHONES |
| TELEPHONES |
1/2 |
3 |
EXTENSION TELEPHONE ARRANGEMENTS |
| TELEPHONES |
1/3 |
1 |
THE HOUSE EXCHANGE SYSTEM |
| TELEPHONES |
1/4 |
2 |
PRIVATE MANUAL BRANCH EXCHANGES |
| TELEPHONES |
2/1 |
3 |
AN OUTLINE CF MANUAL SWITCHING |
| TELEPHONES |
2/2 |
1 |
MAGNETO & C.B.S. WORKING |
| TELEPHONES |
2/3 |
1 |
CENTRAL BATTERY MANUAL EXCHANGE WORKING |
| TELEPHONES |
2/6 |
2 |
SLEEVE-CONTROL SYSTEM. SWITCHBOARD CIRCUITS |
| TELEPHONES |
2/7 |
2 |
SLEEVE-CONTROL SYSTEM. LINE TERMINATIONS |
| TELEPHONES |
2/8 |
2 |
THE CORDLESS SWITCHBOARD SYSTEM NO. 1 (CSS No. 1) |
| TELEPHONES |
3/1 |
3 |
OUTLINE OF AUTOMATIC STEP BY STEP SYSTEM |
| TELEPHONES |
3/2 |
2 |
SUBSCRIBERS' UNISELECTOR CIRCUITS |
| TELEPHONES |
3/3 |
2 |
100-OUTLET GROUP SELECTOR CIRCUITS |
| TELEPHONES |
3/4 |
2 |
ORDINARY FINAL SELECTORS |
| TELEPHONES |
3/5 |
1 |
200-OUTLET GROUP SELECTOR CIRCUITS |
| TELEPHONES |
3/7 |
4 |
NON-DIRECTOR MULTI-EXCHANGE AREAS |
| TELEPHONES |
3/9 |
1 |
2000-TYPE NON-DIRECTOR MULTI METERING CIRCUITS WITH SATELLITE
DISCRIMINATOR WORKING |
| TELEPHONES |
3/10 |
2 |
AUTO TO AUTO RELAY SETS |
| TELEPHONES |
3/11 |
6 |
DIRECTOR MULTI-EXCHANGE AREAS |
| TELEPHONES |
3/12 |
2 |
AN INTRODUCTION TO THE TXK1 (NON-DIRECTOR) LOCAL EXCHANGE CROSSBAR
SYSTEM |
| TELEPHONES |
3/16 |
2 |
POWER PLANT AND COMMON EQUIPMENT FOR U.A.X.'s NO.12 AND 13 |
| TELEPHONES |
3/19 |
2 |
EARTH TESTING, BATTERY TESTING, AND GUARDING CIRCUITS |
| TELEPHONES |
3/20 |
1 |
MOTOR UNISELECTOR TYPE GROUP SELECTOR |
| TELEPHONES |
4/1 |
3 |
UNISELECTOR MECHANISMS |
| TELEPHONES |
4/2 |
1 |
PRE-2000 TYPE TWO-MOTION SELECTOR MECHANISMS |
| TELEPHONES |
4/3 |
2 |
2000 TYPE TWO-MOTION SELECTOR MECHANISM |
| TELEPHONES |
5/1 |
3 |
AUTOMATIC TELEPHONE DIALS |
| TELEPHONES |
5/2 |
2 |
LOOP DISCONNECT PULSING - ELEMENTARY TREATMENT |
| TELEPHONES |
5/3 |
1 |
LOOP DISCONNECT PULSING - ADVANCED TREATMENT |
| TELEPHONES |
5/6 |
1 |
TWO VOICE FREQUENCY (2V.F.) SIGNALLING SYSTEM S.S.A.C. NO. 1 |
| TELEPHONES |
5/7 |
1 |
PRINCIPLES OF 1 V.F. SIGNALLING SYSTEMS |
| TELEPHONES |
6/1 |
5 |
AN OUTLINE OF THE PUBLIC TELEPHONE SYSTEM |
| TELEPHONES |
6/2 |
1 |
AN INTRODUCTION TO PLANT PROVISION AND TO TELEPHONE TRAFFIC |
| TELEPHONES |
6/3 |
1 |
TELEPHONE TRAFFIC |
| TELEPHONES |
6/4 |
1 |
TRUNKING AND GRADING |
| TELEPHONES |
7/1 |
1 |
REED RELAY SYSTEM PRINCIPLES |
| TELEPHONES |
7/2 |
1 |
AN OUTLINE OF THE TXE2 ELECTRONIC TELEPHONE EXCHANGE |
| TELEPHONES |
8/2 |
2 |
TEST DESK EQUIPMENT |
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| TRANSMISSION |
1/1 |
6 |
INTRODUCTION TO LINE COMMUNICATION SYSTEMS |
| TRANSMISSION |
1/2 |
3 |
AN INTRODUCTION TO LOCAL LINE TRANSMISSION |
| TRANSMISSION |
2/2 |
4 |
PRINCIPLES OF CARRIER - FREQUENCY LINE COMMUNICATION |
| TRANSMISSION |
4/1 |
5 |
INTRODUCTION TO TRANSMISSION THEORY |