
Chalis and Associates (Acoustical Consultants) Electronics Today International Ryrie House 15 Boundary Street, Rushcutters Bay 2011 Tel: UK EDITION HaIvor Moorshead Editor Alex Melon Advertisement Manager Electronics Today International Australian Consolidated Press, 107 Fleet St., London, E.C. COPYRIGHT.ĥ Colyn Rivers Editorial Director Brian Chapman Technical Editor Michel Caluaud Consultant Editor Barry Wilkinson Engineering Manager Clive Davis Art Director Bob lzzard Production Manager Howard Jenkins Advertising Manager Terry Marsden Advertising Manager (Sydney) Clarrie Levy Advertising Manager (Melbourne) Louis A. Distributors: Australian Consolidated Press. U.S.A.: A.C.P., Room 401, 1501 Broadway, New York, Printed by Conpress Printing Ltd., O'Ruordan St., Alexandria. Brisbane: David Wood, Anday Agency, 1-14 Buchanan St., West End ( ) OVERSEAS United Kingdom: A.C.P., 107 Fleet St., London, EC4. Adelaide: Ad Media Group of South Australia, O'Connell Street, North Adelaide S.A ( ). INTERSTATE advertising Melbourne: darne Levy, Suite 23, 553 St. Published by MODERN MAGAZINES (HOLDINGS: LIMITED, 15 Boundary Street, Rushcutters Bay Phone: Cables: MODMAGS SYDNEY. (Special report on dangers of nuclear falout - page 60, this isue). Observers report that explosion was of a 'smal' triggering device for larger hydrogen weapon. COVER: Official French government picture shows atomic explosion at Mururoa atol. news 8/ information NEWS DIGEST 16, 17, 19, 20, 21, 2 EQUIPMENT NEWS, 136 COMPONENT NEWS, 140 INPUT GATE (READERS' LETTERS), 143. reviews RECORDINGS, CLASSICAL, 159 POP TRENDS, 152. SEVEN-INPUT THERMOCOUPLE METER 95 Instrument provides - 20 (PC measurements from up to seven separate points. equal to the best we have heard' projects MIXER/PREAMPLIFIER 68 Simple, easy to build unit specificaly intended for ET! 100W guitar amplifier. YAMAHA TB 700 CASSETTE DECK 104 'A state-of-the-art product. product tests MARANTZ AMPLIFIER MODEL This top-line amplifier from the USA has three-year guarantee.

FOUNTAIN PEN METER 149 Ima:ine new digital multimeter the size nf a pen! - World scoop report. SENSORS ON 135 Evaluating progress - the need to measure humanity's rate of return. STATE OF THE ART 132 Technological developments and achievements in the field of amateur radio. METRIC UNITS 124 Revolution or evolution? - Peter Sydenham reports. LINEAR MOTORS 120 The latest developments in high speed transport - by Professor Laithwaite. CONSTANT FREQUENCY ALTERNATOR 73 New alternator maintains constant frequency regardless of running speed' LINEAR ELECTRIC MOTORS 12 From transport system to instruments, linear motors revolutionize designs. NUCLEAR FALLOUT THE EFFECTS 60 Just how dangerous is nuclear falout - Dr.

FIELD PLOTTER 53 Simple instrument uses resistance analog to solve field problems. TOWARD A BETTER ENVIRONMENT 4 Proposed automatic monitoring system may result in cleaner cities. BUILD-IT YOURSELF CALCULATOR 43 This new Heathkit calculator has excelent performance characteristics. CREATIVE AUDIO PART ONE 36 A practical guide to creating and recording your own sound.
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6 main features $10,000 COMPUTER CONTEST 24 Four computer terminals plus free time are prizes in exciting new contest. 3 electronics TODAY INTERNATIONAL SEPTEMBER 1973 Vol.
