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Excerpt from Practical Sheet Metal Duct Construction: A Treatise in the Construction and Erection of Heating and Ventilating DuctsThe modern demand for economy and efficiency in methods of production have given a strong impetus to specialization in the various branches of sheet metal work. In the larger cities are found very many shops that contract exclusively for heating and venti lating, exhaust pipes and ducts, etc. Only the well equipped,...

Excerpt from The New York Trade School's Textbook on Pattern Drafting: Suitable for All Workers in Sheet MetalIn addition to the practical construction of metal cornices and skylights, and the preparation of patterns bearing on those branches, the Course of Instruction in the Sheet Metal Department of the New York Trade School is now enlarged to include pattern drafting for sheet metal workers in general.The course represented] by this textboo...

Excerpt from Home Instruction for Sheet Metal WorkersThe chapter on cutting curves and circles, and also the chapters on soldering are very important to the beginner, and must not be overlooked by him. These chapters make up the fundamentals Of the practical side Of sheet metal work. The student who thor oughly masters them will have a splendid foundation for the more advanced work which follows.Chapters V and VI on drawing tools and their use...

Excerpt from Tinsmithing: Instruction PaperConstruction. Before laying out the pattern for any piece of tinware, the method of construction should be known. Knowing this, the first thought should be: Can the pattern be developed and cut from one piece of metal to advantage, as shown in Fig. 1, or will it cut to waste, as shown in Fig. 2 Will the articles have soldered, grooved or riveted seams, as shown respectively by A, B and C, in Fig. 8 Al...

Excerpt from Mensuration for Sheet Metal Workers: As Applied in Working Ordinary Problems in Shop PracticeAre given Length of hypotenuse in a right angle triangle Areas in square, rectangle and rhomboid Areas in a right and an oblique triangle Area of triangle when three sides are given Area of trapezoid Area of trapezium Area of circle Area in circle and square.About the PublisherForgotten Books publishes hundreds of thousands of rare and cla...

Excerpt from Mensuration for Sheet Metal Workers: As Applied in Working Ordinary Problems in Shop PracticeAre given Length of hypotenuse in a right angle triangle Areas in square, rectangle and rhomboid Areas in a right and an oblique triangle Area of triangle when three sides are given Area of trapezoid Area of trapezium Area of circle Area in circle and square.About the PublisherForgotten Books publishes hundreds of thousands of rare and cla...

Excerpt from The Universal Sheet Metal Pattern Cutter, Vol. 2: A Comprehensive Treatise on All Branches of Sheet Metal Pattern Development, Architectural Sheet Metal WorkTherefore, while adhering to the purpose of hav ing the two volumes of the work present a very comprehensive series of pattern demonstrations em bracing all prominently typical examples and for mations of sheet metal work, the present volume aims to incorporate full informatio...

Excerpt from Sheet-Metal Work: A Manual of Practical Self-Instruction in the Art of Pattern Drafting and Construction Work in Light-and Heavy-Gauge Metal, Including Skylights, Roofing, Cornice Work, EtcGalvanized Sheet Iron and Copper - Skylight Bars - Reinforcing Strips - Core Plate - Cap - Weight of Glass - tools - Shapes of Bars and Curbs - Raising Sash - single-pitch and double-pitch Skylights - Condensation Gutters - Hip Monitor Skylight ...

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