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NOV 1964
5 WATT INTEGRATED AMPLIFIER 16
SIMPLE GEIGER-MULLER RATEMETER 28
ELECTRONIC DIDJERIDOO 39
V.H.F. BROADCAST RECEIVER 48
MORSE PRACTICE OSCILLATOR 64
SOUND ON TAPE-1 23
BEGINNERS START HERE-1 43
SEMICONDUCTORS FOR AUTOMOBILES 35
NEW LOOK AT THE ELECTRON 52
EDITORIAL 15
DETACHED PARTICLES 20
ELECTRONORAMA 46
NEW PRODUCTS 59
NEWS BRIEFS 68
DEC 1964
VARIABLE LOW VOLTAGE DC SUPPLY UNIT 99
TWO-WAY INTERCOM UNIT 100
PRECISION DECIMAL STEP PRE-AMPLIFIER 107
ULTRASONIC REMOTE CONTROL 116
5 WATT INTEGRATED AMPLIFIER 119
V.H.F. BROADCAST RECEIVER 124
SOUND ON TAPE-2 103
BEGINNERS START HERE-2 143
INTRODUCING ULTRASONICS 96
THE 73 PAGE 102
ELECTRONICS OF LIGHT OPERATED SWITCHES 110
RADIOACTIVITY EXPERIMENTS 129
JAN 1965
HIGH IMPEDANCE VOLTMETER 176
5 WATT INTEGRATED AMPLIFIER 178
COMPACT LOUDSPEAKER ENCLOSURE 183
DARKROOM TIMER 187
PRINT RECORDER 204
PRECISION DECIMAL STEP PRE-AMPLIFIER 208
ELECTRONIC GUITAR 2I7
BEGINNERS START HERE-3 200
METERS EXPLAINED
SOUND ON TAPE-3 202
ELECTRONIC POWER 172
THERMIONIC, MAGNETOHYDRODYNAMIC, THERMO-VOLTAIC
FLEMING AND THE DIODE 186
THERMIONIC VALVE INVENTION 60TH ANNIVERSARY
VALVE ON/OFF CIRCUITS 193
LORD BOWDEN OPENS EXHIBITION 180
P. E. DATA BOOKLETS 211
FEB 1965
REMOTE BABY SITTER 251
D.C./A.C. INVERTER 262
MAGIC BOXES 264
GUITAR AMPLIFIER 269
COMPACT LOUDSPEAKER ENCLOSURE 278
IMMERSION HEATER ECONOMY CIRCUIT 295
SOUND ON TAPE-4 259
SEMICONDUCTORS-1 267
P&N JUNCTIONS EXPLAINED
BEGINNERS START HERE-4 276
CAPACITORS EXPLAINED
COLOUR TELEVISION CONTROVERSY 246
HALL EFFECT 282
USING THE OSCILLOSCOPE 284
DOOR BELL FOR THE DEAF-BLIND 296
MARCH 1965
ELECTRIC CLOCK WITH DIGITAL DISPLAY 324
INEXPENSIVE OSCILLOSCOPE 328
MAGIC BOXES 336
GUITAR AMPLIFIER 343
AUTOMATIC PARKING LIGHTS 347
TWO BAND RADIO TUNER 354
SEMICONDUCTORS-2 339
GERMANIUM AND SILICON DIODES
BEGINNERS START HERE-5 352
CAPACITORS EXPLAINED
HALL EFFECT 360
DESIGN OF CERAMIC PICK-UP CARTRIDGES 366
APRIL 1965
PICK-UP AMPLIFIER AND EQUALISER 402
IMPEDANCE MATCHING UNIT 405
PULSE COUNTER 407
INEXPENSIVE OSCILLOSCOPE 411
INGENUITY UNLIMITED 428
MAGIC BOXES
AUDIO AMPLIFIER 43S
OC71 MULTIVIBRATOR 438
OC71 AUDIO OSCILLATOR 440
SEMICONDUCTORS-3 419
PNP TRANSISTORS
CIRCUIT BUILDING BLOCKS-1 422
BEGINNERS START HERE-6 432
ELECTROLYTIC CAPACITORS
INTRODUCTION TO LAMINATED WIRING BOARD 400
COLOUR TV SURVEY 446
MAY 1965
SPORTS EVENTS TIMER 480
AUDIO OSCILLATOR AND
OUTPUT METER 489
SIMPLE SHORT WAVE RECEIVER 492
MICROPHONE MIXER 500
INEXPENSIVE OSCILLOSCOPE 502
SEMICONDUCTORS-4 484
SIMPLE CIRCUIT DESIGN
BEGINNERS START HERE-7 508
ELECTRO-MAGNETISM
ELECTRONIC BUILDING BLOCKS-2 512
LUNAR SURVEYOR 478
INGENUITY UNLIMITED 518
IMMERSION HEATER ECONOMY CIRCUIT IMPROVEMENTS
AUDIO TRENDS 510
JUNE 1965
INTRUDER ALARM 552
A.C. MAINS VOLTAGE STABILISER 557
R-C BRIDGE 564
ELECTRONIC TRUMPET 572
BEGINNERS START HERE-8 580
INDUCTANCE
ELECTRONIC BUILDING BLOCKS-3 569
DIODE APPLICATIONS
NON-DESTRUCTIVE TESTING 548
SOLID-STATE RADIATION DETECTOR 585
VOICE DISPLAY UNIT 582
EXHIBITION REPORTS 577
JULY 1965
ELECTRONIC FLASH GUN 624
VALVEHOLDER MODULES 632
A.C. MAINS VOLTAGE STABILISER 637
STEREO RECORD PLAYER 644
SIMPLE INFRA-RED RAY DETECTORS 66l
BEGINNERS START HERE-9 652
ELECTRONIC BUILDING BLOCKS-4 657
TAPE TALKING BOOKS 620
AUDIO TRENDS 634
VISIT TO SCIENCE MUSEUM 656
AUGUST 1965
SIMPLE ANALOGUE COMPUTER 690
ELECTRONIC FLASH GUN 697
TRANSISTOR AND DIODE TESTER 715
LOW VOLTAGE BATTERY PACK 726
ELECTRONIC BUILDING BLOCKS-5 709
TRANSISTOR CIRCUITS
BEGINNERS START HERE-1O 724
INDUCTORS AND ENERGY
U.H.F. RECEPTION 706
UHF AERIALS
INGENUITY UNLIMITED 729
PULSE COUNTER IMPROVEMENTS
SIX VOLT PARKING LIGHT
PARKING LIGHT IMPROVEMENTS
DIODE TESTER
THE DECIBEL 732
COMPONENT DEVELOPMENTS 705
ELECTRONIC TIMER MODIFICATION
SEPTEMBER 1965
ECHO UNIT 769
AUDIBLE WARNING FOR YOUR CAR 776
AERIALS FOR U.H.F. 782
SLIDE SYNCHRONISER 790
NOUGHTS AND CROSSES MACHINE 806
NEON NOVELTIES-I 781
BEGINNERS START HERE-11 796
WORKSHOP TOOLS AND METHODS
ELECTRONIC BUILDING BLOCKS-6 802
TRANSISTOR CONFIGURATIONS
ELECTRONICS AT GOONHILLY 764
AUDIO TRENDS 788
OCTOBER 1965
NEW LOOK TAPE RECORDER 843
ELECTRO-COMBINATION LOCK 849
kEV AND DWELL METER 859
GENERAL PURPOSE SCALER 866
BUILDING BLOCKS-7 853
DARLINGTON PAIR
BOOTSTRAP HIGH IMPEDANCE AMP
OSCILLATOR CIRCUITS
BEGINNERS START HERE-12 864
SOLDERING TECHNIQUES
NEON NOVELTIES-2 874
ELECTRONIC SOUNDS AND MUSIC 838
GETTING STARTED WITH DISCS 879
STYLUS CHOICE
NOVEMBER 1965
DOORPHONE 9I5
AUDIO OSCILLATOR AND VALVE VOLTMETER 9l8
WATER LEVEL ALARM 936
GENERAL PURPOSE SCALER 942
CLASSIC COMMUNICATIONS RECEIVERS-BC348 926
NEON NOVELTIES-3 928
BUILDING BLOCKS-8 931
SAWTOOTH OSCILLATORS
BEGINNERS START HERE-13 940
2 BULB OC71 MULTIVIBRATOR
ELECTRONICS AT BEVERCOTES 910
INGENUITY UNLIMITED 960
ENLARGER TIMER
FLASHGUN DISCHARGER
AUDIO TRENDS 955
DECEMBER 1965
S.C.R. LIGHT DIMMER 987
AUDIO OSCILLATOR AND VALVE VOLTMETER 991
FIRE ALARM SYSTEM 1004
MULTI-RANGE TEST METER 1014
GENERAL PURPOSE SCALER 1016
BUILDING BLOCKS-9 997
MULTIVIBRATOR CIRCUITS
BEGINNERS START HERE-14 1012
ALTERNATING CURRENT
NEON NOVELTIES-4 1028
COMMUNICATIONS BY SATELLITE 982
EARLY BIRD, TELSTAR, ECHO SYNCOM, RELAY
LEARNING MORSE CODE 1003 | ||
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