Popular technique / Technique pour tous / Ministère du bien-être social et de la jeunesse, 1 septembre 1960, Septembre

Septembre £960 £ September POPULAR POUR TOUS POPULAR POUR TOUS La revue de l’Enseignement spécialisé de la The Specialized Education Magazine of the PROVINCE QUEBEC Ministère de la Jeunesse Department of Youth Rédaction Editorial Offices 294, carré ST-LOUIS Square AV.8-7253 Montréal (18), P.Q.— Canada Directeur, Eddy MacFahlane, Editor Secrétaire de la rédaction, Chables-Edouabd Manseau Assistant Editor Septembre September 1960 Vol.XXXV No 7 Conseil d’administbation Le conseil d’administration de la revue se compose des membres du Conseil des directeurs des Instituts et Ecoles de l’Enseignement spécialisé relevant du ministère de la Jeunesse (Province de Québec).PbÉsident Boabd of dibectobs The magazine’s Board of Directors consists of the members of the Principal’s Council of Specialized Education Institutes and Schools under the authority of the Department of Youth (Province of Quebec).Pbesident Jean Delobme directeur général des études de l’Enseignement spécialisé Director General of Studies for Specialized Education Dibecteubs — Dibectobs Maurice Barrière adjoint du directeur général des études Assistant Director General of Studies Sonio Robitaille Caston Tanguay directeur.Service des Cours par Correspondance Director, Correspondence Courses Division secrétaire, Direction générale des études Secretary, Directorate General of Studies Rosario Bélisle Institut de Technologie (1e Montréal Montreal Institute of Technology t XT Institut des Arts Graphiques Lucien Normandeau Graphic Arts institute _ t-._ Institut de Papeterie CrASTON P RANCOEUR Paper-Making Institute Jean-Marie Gauvreau Institut des Arts Appliqués Applied Arts Institute Georges Moore Institut des Textiles Textiles Institute Darie Laflamme Institut de Technologie de Québec Quebec Institute of Technology J.-F.Thériault Institut de Technologie des Trois-Rivières Trois-Rivières Institute of Technology Marie-Louis Carrier Institut de Technologie de Hull Hull Institute of Technology Chan.Antoine Gagnon Inst, de Tech, de Rimouski et Inst, de Marine Rirnouski Inst, of Technology and Naval Inst.Albert Landry Institut de Technologie de Shawinigan Shaivinigan Institute of Technology ü » T7^ t Ecole des Métiers Commerciaux rAUL-lLMILE UtEVESQUE School of Commercial Trades Omer Gratton Roger Laberge Ecole de Métiers du Cap-de-la-Madeleine Cap de la Madeleine Trades School Ecole de Métiers de Plessisville Ple8sisville Trades School Secrétaire — Secretary Wilfrid W.Werry directeur adjoint.Institut de Technologie de Montréal Assistant Principal, Montreal Institute of Technology Administration Business Offices 8955, rue ST-HUBERT St.Montréal (11) P.Q.Canada Administrateur, Fernand Dostie, Administrator Secrétaire-trésorier, Omer Desrosiers, Secretary-T reasurer Abonnements Subscriptions Canada: $2.00 Autres pays - $2.50 - Foreign Countries i n numéros par an I O issues per year Autorisé comme envoi postal de 2e classe, Min.des Postes, Ottawa Authorized as 2nd Class Mail, Post Office Dept., Ottawa «La seule revue bilingue consacrée à la vulgarisation des sciences et de la technologier NOTRE COUVERTURE M.David Odrowski, mécanicien de classe “A”, règle le moteur synchronisé de 700 chevaux-vapeur qui actionne le compresseur à air primaire à l’usine de Du Pont, à Nipissing, en Ontario.Gracieuseté de Du Pont of Canada Ltd.FRONT COVER Seven-hundred-horsepower synchronous motor which drives the primary air compressor at Du Pont Works, Nipissing, Ont., is adjusted by Mr.David Odrowski, mechanic class A.Sources Credit Lines Pp.4-6 : Walter Nürnberg, London, England ; p.8 : Science Service Inc.; pp.9 & 10 : Jacques Coulon ; pp.11 & 12: C.E.A.Service documentation laboratoire Photo ; pp.14-16, 18 & 19 : Science Service Inc.; pp.21-23 : “Steelways”, New York ; p.24 : “The Aerojet Booster, Azusa, California ; pp.25 & 26 : “Steelways”, New York ; pp.27-29 : Northern Electric Company Limited : p.30 : Science Service Inc.; pp.32-34 : René Torre ; p.35 : Hy-dro-Québec ; 6.36 : (haut) Hydro-Québec, Photo Raymond Drouin ; p.37 : Photo Raymond Drouin ; pp.38-40, 42-44, 47-49 : Science Service Inc.; p.50 : Service de l’Aide à la Jeunesse, Québec; p.51: Eddy-L.MacFarlane.Sommaire Summary Making Television Picture Tubes, par Leo Walter .5 Assouan et l’archéologie, par Tove Neville .7 Le centre expérimental de Saclay, par Jacques Coulon .9 Le goût des sciences chez les jeunes, par Shirley Moore .13 L’affaire est dans l’air! .15 La “guerre froide” de la nature, par Jacques Mëllen .17 Au noyau de la terre par le “moho”, par Richard Litell .19 29° 11' 12.9" North 89° 53' 31.5" West .21 Le soufflage du verre .24 Le centrifugeur expérimental met le pilote à rude épreuve, par Eliot Tozer .25 Une expédition importante .27 Les prodiges du calculateur électronique .30 Regard sur la météorologie, par René Torre .31 Le gratte-ciel de l’Hydro-Ouébec, par Hermas Bastien .35 Motorisation électrique, par Allen Long .38 Le bruit du progrès, par James H.Winchester .39 La fenêtre à travers les âges .43 Nous avons lu pour vous .45 New Machines and Gadgets .47 Meubles pratiques .49 Nouvelles de l’Enseignement spécialisé .50 Honneur conféré à M.François Roy — L’école de Métiers de Mont-Joli se distingue à l’exposition du Bas-St-Laurent.Les vieux métiers: l’Eperonnier .51 «.The only bilingual magazine devoted to the popularization of science and technologys ¦ • ,,f Ii11 _ ,4011 ‘urtl .#fi % ,;(» IUW >«*» 11(11.IBW lî,if W,,i » mill mu u*»1 fi B I» un»! «»«««*" tl ütit] IHUI ***** (LhiLhiJuIHI HM«< 18 Ml» g S liU) 5 m ««il 35 b5b#«3»»ï1*î jpgigg Wc&- m " .• RECHARGEABLE BATTERY CARTRIDGE fits in standard flashlights to provide continuous light.It is recharged by plugging it into any no-volt AC outlet.After a i6-hour charge, this industrial model will provide light for about three hours.It can be recharged hundreds of times at very lozv cost (2K SELF-POWERED SHAVER can store enough energy in its rechargeable battery for up to three weeks of electric shaving.Then the charging device may be recharged by plugging it into AC voltage from 90 to 250 volts.The shaver also features roller combs that adjust to various beards and skins Is'.• TURBINE GENERATOR KIT, for young students, demonstrates hozv water power is used to produce electricity.Water from a faucet turns a water wheel, which moves a magnet next to a coil of wire to generate six- to 12-volt alternating current.The current rings a bell, included in the kit .• CHAIN FIRE ESCAPE stores in a compact container fastened on an interior wall beneath a window.If the ladder is needed, two pins are removed and the container swung out over the window sill, where it forms a small platform with hand rails.The chain ladder drops from the container and, for steadiness, may be hooked into a brace in the ground.The unit is made of lightweight aluminum (5>.• REFRIGERATION UNIT of the do-it-yourself variety lets you convert an ice chest into a refrigerator for your boat or camping trailer.If you are handy, you can make the conversion without special tools in about four hours.The unit operates from a 12-volt auto storage battery and takes up less room than a 25-pound block of ice (6).• ROUND HAND FILE can enlarge holes and cut decorative patterns in wood, aluminum, plastics, plywood and asphalt tile.It features self-cleaning, individually hardened cutting teeth (7).« PLASTIC FOOTBALL PADDING, being marketed for the i960 season, features increased impact resistance, more flexibility and body conforming.High density polyethy- lene replaces many fiber parts.Other parts include nylon covering and vinyl padding.The protective equipment resists water and perspiration (8>.FAUCET SEAT REFACER.When your faucet leaks because its valve seat needs resurfacing, this simple refacer will scrape off pitted areas and give the valve seat a smooth surface.You simply remove the faucet’s handle, insert the refacer as directed and rotate it (9).• BAIT BUCKET features a built-in air pump for aerating the water in the bucket.By using the pump every 12 to 24 hours, a fisherman can help keep his bait alive and healthy.A safety valve prevents overpumping.The aluminum bucket holds up to 120 live minnows and it floats (10>.• PLASTIC AUTO VISOR cuts down on sun’s glare but does not cut out the view.Made of transparent gray plastic, the visor requires no installation.It features a magnet that grips onto metal window molding and it can be moved about to follow the sun (11I • BIKE “GARAGE”, a heavy gauge vinyl cover, is especially designed to fit over most any model of bike and protect it from rain and snow.At the bottom, the cover hooks to the bike’s spokes !12l • OBSTACLE SIGHTER, for blind or partially blind persons, is a portable electronic scanning device that transmits a touch “picture” to the user’s hand.The range of view is from ground level to well above the head.Power is supplied by standard flashlight batteries (13).• MULTI-GAUGE BARREL LINERS permit hunters to change their shotguns from one gauge to another.The aluminum tubes are simply inserted into the shotgun barrel.A small screwdriver is the only tool needed.The liners are sold in gauges for 12, 20, 28 and 410 gauge shotgun barrels (14).• CELESTIAL JIG-SAW PUZZLE, when fitted together, makes a card-board map of the stars.Stars are shown in white ; constellation shapes and mythological figures are drawn in green.The puzzle is designed for youngsters in grades three to eight