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132 pages. Many dozens of fantastic black and white photos throughout this issue - far too many to list. Features: Pratt & Whitney ad inside front cover shows inside their propeller plant at Longueuil, PQ; Prenco Progress & Engineering Corp. ad shows anti-aircraft machine gun being used in the Battle of the Atlantic; Diamond State Fibre Company ad; Great 2-page two-colour ad for Snogo snow removal equipment; Stylish ad for Jacobs Engines; Nice Snap-On Tools ad; Super G.Q. ad for their parasuit; Speed Nuts ad by the Wallace Barnes Co. of Hamilton; Handsome ad for Rotol constant speed airscrews; Nice two-colour Fleet Aircraft ad for their trainers used in the Empire Air Training Plan; Nice illustrated Brewster ad entitled Wings over Waikiki; W.D. Beath & Son snow clearing equipment ad; The Sky is the Limit - Hon. C.G. Power reviews war aviation; Canada Manufactures Wings for Freedom - the Director-General of Aircraft Production surveys the industry in Canada; The Aircraft Production Branch; Air Transport Association Convention; The "Canadian Car" Programme; Bolingbroke Production Multiplies; Noorduyn Speeds Harvard Output; Fleet Delivers; Vickers Swings to PBY's; Federal Produces Ansons; National Steel Car Prepares - great photos of the Malton plant and its expansion; De Havilland Breeds "Tigers"; Nice Player's cigarette ad shows smiling flier in Christmas theme; Two-page colour Lockheed ad with Leadership theme; MacDonald Bros - Ansons and Overhaul; Goeing Gathers Momentum; Parts Production at "Ottawa Car"; Clipper Crossing - Floyd S. Chalmers' interesting article about crossing the Atlantic in this huge craft; Canadian Aircraft Production - great feature section covers welding for aircraft, how to read blueprints, big bomber production, are welding at Vultee, Utilization of Labour, Plastic Eyes for B-26, New Extrusion Miller and New Equipment Section; Nice photo ad for Pioneer Instruments; Interesting Cockshutt Aircraft Division ad; Dowty levered suspension tailwheel ad; Bell Airacobra ad; Sicard snow blower ad; Nice illustrated Rotax ad; Cygnet ad; Lightplane Legion; The Morrow Plywood Trainer; Canadian Aviation News; Two photos showing the R.A.F. in Russia; Nice Martin Aircraft ad; North American Aviation ad; Two photos of the Curtiss AT-9 trainer; Nice photo ad for National Steel Car; Illustrated ad for the Blackburn "Botha"; Nice ad for Avro reconnaissance & training aircraft; Vickers ad with photo of the "Stranraer" - largest aircraft ever built in Canada; Wright engine ad with illustrations of Vultees; Nice Poulsen & Nardon ad with photos; Northrop ad; Index to advertisers; Wright engine ad inside back cover shows Boeing "Flying Fortresses"; Back cover ad for Intava highlights the British Commonwealth Air Training Plan; and more. Average wear. Unmarked. Chips from ends of backstrip. A sound vintage copy. Magazine
27,3x17,3 cm; 81, (1) pp. Brossura editoriale. Prima edizione di questo interessante studio dedicato alla comparazione dei veri metodi utilizzati in diversi paesi europei e negli Stati Uniti per l'analisi dei concimi agricoli nella loro composizione chimica. Fra i vari metodi analizzati da Sicard: Kjeldahl, Will-Varrentrapp, Schloesing, Ulsch, Lunge, Desvarda, Kuhn e altri. All'interno presenti anche vari schemi ed esempi pratici. BUONO STATO DI CONSERVAZIONE. NON COMUNE
Un fin volume broché au format poche de 128 pp.; couverture illustrée. Comme neuf. Voir photo. Peu fréquent.