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JANUARY 1967
REMOTE TEMPERATURE MEASUREMENT 20
TAPE RECORDER AUTO-SWITCH 27
MODEL CONTROL AMPLIFIERS 38
INTEGRATED STEREO AMPLIFIER-2 50
THE LUMOSTAT 61
THE ELECTRONIC ORGAN-2 31
LASERS-1 16
FREQUENCY DIVISION 46
CHARGE STORAGE IN TRANSISTORS 55
FEBRUARY 1967
VERSATILE BLOCKING OSCILLATOR 97
AUTO CALENDAR-1 107
DOORBELL REPEATER 118
RECORDING LEVEL INDICATOR 130
CAR BURGLAR ALARM 137
THE ELECTRONIC ORGAN-3 99
CLASSIC COMMUNICATION RECEIVERS-R1155 I28
CIR-KIT STICK-ON WIRING 96
LASERS-2 102
FREQUENCY DIVISION 122
SILICON PLANAR TRANSISTORS 141
MARCH 1967
PHOTOFLASH SLAVE UNIT 182
PROXIMITY DETECTOR 187
BIRD SCARER
BURGLAR ALARM
GARAGE DOOR OPENER
RADIATION COUNTER 195
AUTO CALENDAR-2 211
THE ELECTRONIC ORGAN-4 200
THE OSCILLOSCOPE AND ITS APPLICATIONS-1 I76
INGENUITY UNLIMITED 192
DIRECTION INDICATOR
SIMPLE SITAR
CAR ALARM JACK PLUG KEY
UNIJUNCTION TRANSISTORS 218
APRIL 1967
MILK-O-STAT 260
FIELD STRENGTH METER FOR 27MHZ 268
VALVE VOLTMETER AND OHMMETER 279
DOOR SLAVE SOUND OPERATED SWITCH-1 288
THE ELECTRONIC ORGAN-5 271
TONE FILTER CIRCUITS
ULTRASONICS AT WORK 256
INGENUITY UNLIMITED 264
SLIDE SYNCHRONISER IMPROVEMENT
CAR DARKNESS WARNING
LUMOSTAT IMPROVEMENT
COMPONENT SELECTION CALCULATOR 267
THE OSCILLOSCOPE AND ITS APPLICATIONS-2 294
MARKET PLACE 278
SINCLAIR MICROMATIC RADIO
MAY 1967
SCOOTER ALARM SYSTEM 340
DOOR SLAVE SOUND OPERATED SWITCH-2 355
BASS GUITAR 359
LIGHT OPERATED STOPWATCH 370
COMPUTER EVOLUTION-1 336
THE ELECTRONIC ORGAN-6 349
CYMBAL EFFECT CIRCUIT
REVERBERATION DELAY LINE
FIELD EFFECT TRANSISTORS-1 378
JUNE 1967
VIDEO PATTERN GENERATOR 415
DIAL-A-NAME GAME 420
MODEL CONTROL INSTALLATIONS 432
C.R.O. TRACE DOUBLER 443
COMPUTER EVOLUTION-2 425
BASIC ANALOGUE CIRCUITS
THE ELECTRONIC ORGAN-7 439
VIBRATO METHODS
PRESS-FIT TERMINALS 414
INGENUITY UNLIMITED 429
AUTOMATIC TAPE RECORDER SWITCH
SIMPLE SITAR
FUEL SAVER C.H. TIME SWITCH
CAR BURGLAR ALARM IMPROVEMENT
FIELD EFFECT TRANSISTORS-2 448
JULY 1967
MODEL CONTROL INSTALLATIONS 495
ENLARGEMENT EXPOSURE GUIDE 504
INVESTIGATOR OSCILLOSCOPE 508
RADIO SERVICING AID 522
TRANSISTOR TESTER + SIGNAL INJECTOR
COMPUTER EVOLUTION-3 530
CLASSIC COMMUNICATION RECEIVERS-CR100 526
ELECTROMAGNETIC RELAYS-1 488
TUNNEL DIODES 517
AUGUST 1967
INVESTIGATOR OSCILLOSCOPE 571
FISH BITE INDICATOR 587
CHEMOSTAT-1 594
MODEL CONTROL INSTALLATIONS 602
MICROELECTRONICS-1 566
ELECTROMAGNETIC RELAYS-2 576
INGENUITY UNLIMITED 616
LOW VOLTAGE NEON INDICATOR
MERCURY SWITCH ALARM
WATER LEVEL CONTROL
OPTICAL COMMUNICATION
SEPTEMBER 1967
ELECTRONIC STOPCLOCK 645
CAR SCREENWIPER DELAY UNIT 661
CHEMOSTAT-2 688
TRANSISTOR TEST SET 682
COMPUTER EVOLUTION-4 654
MICROELECTRONICS-2 673
ELECTRONIC TELEPHONE EXCHANGES 640
INGENUITY UNLIMITED 681
NO-THUMP TREMOLO
ANTI-SURGE FOR PROJECTOR LAMPS
DETACHED PARTICLES 693
FIRST ALL TRANSISTOR COLOUR TV
OCTOBER 1967
I.C. GRAMOPHONE AMPLIFIER 724
THYRISTOR POWER CONTROLLER 743
TRANSISTOR MILLIVOLTMETER 753
ELECTRONIC STOPCLOCK 757
COMPUTER EVOLUTION-5 732
MICROELECTRONICS-3 739
ELECTRONIC MUSIC TECHNIQUES 720
INGENUITY UNLIMITED 770
AUTOMATIC WATER PUMP
OSCILLOSCOPE VISOR
INFRA-RED DETECTOR
SPACEWATCH 749
MARINER VENUS PROBE
ELECTRONORAMA 750
MULLARD RESEARCH LABORATORIES
POINTS ARISING 773
FUZZ BOX IMPROVEMENT
INVESTIGATOR OSCILLOSCOPE
COMPUTER EVOLUTION
RADIO SERVICING AID
NOVEMBER 1967
WATER LEVEL ALARM 806
FUZZ BCIX 815
YODELLER DOOR MONITOR 826
HARMONIC DISTORTION METER 830
MICROELECTRONICS-4 809
NUCLEONICS FOR THE EXPERIMENTER-1 822
THE COLOUR TV RECEIVER-1 800
ELECTRONIC MUSIC TECHNIQUES 845
DECEMBER 1967
SPRING LINE REVERBERATION UNIT 880
PROPORTIONAL SERVO SYSTEM 893
ANTI-DAZZLE DRIVING MIRROR 903
PHOTOGRAPHIC EXPOSURE METER 916
MICROELECTRONICS-5 887
NUCLEONICS FOR THE EXPERIMENTER-2 922
THE COLOUR TV RECEIVER-2 899
HIGH INPUT IMPEDANCE CIRCUITS 910
CIRCUIT SYMBOLS AND ABBREVIATIONS 912
SEMICONDUCTOR BASICS-1 9I3
POINTS ARISING 906
YODELLER DOOR MONITOR | ||
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