McKinley High School - President Yearbook (Buffalo, NY)

Page 70 text:

64 TH E ARTISAN Sheet Metal drafting covers another type of drawing. Layout work for the construction of fittings used, is the most essential in this trade. 'We draw problems using' parallel lines, radial lines, triangulation and mensuration. Hot air heating systems are discussed and Worked out. Sizes of pipes and outlets are figured for different type houses and some time is spent on estimating. In our cabinet-making class we learn the various joints and names of parts by llaving to inake drawings of useful articles in which these are incorporated. We make the worlcing drawings of drawing boards, tee squares, window and door frames, stairs, kitchen cabinets, etc., on all of which we get practical work in the shop later. The pattern maker and machinist applies his trade drawing more directly to his Work, than the other tradesmen here at McKinley. In pattern making a drawing or shop layout is made for every detail or part of the pattern being built. Because of this required step drawing is most iniportafut. VVe are taught the rudiments of our drafting as We progress in our shop work, complete layouts being made for each pattern before we attempt to make it in tl1e shop. Our preliminary Work in machine shop drawing consists largely of drawing sueh simple objects V blocks, grooved blocks, bearings, bushings, pulleys, shaft hangers, hand wheels, etc. During our Work on these projects We learn the essentials of mechanical drawing sueh as types of lines used, projection, geo- metric constructions, etc. Our next problems are more difficult, touching on detail and assembly and later in designing of machine parts and machines. We cover drawing, tracing. and blueprint making for all work in all trades, LESSON IN MATHEMATICS

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THE AIi7'ISA,N 63 In our Plumbing Course we are taught through our drawing the component parts of the drainage system sub-divided as follows: Spout connections, air vents, main and branch sewers, laundry tray connections, sink and bath room connections and refrigerator Wastes. By this niethod we find ample ,opportunity to learn the various fittings such as bends, tees, tys, traps, etc., and their functions. This also gives us, we believe, an excellent opportunity to learn the laws concerning such installations as laid down in the city code. We next take up hot and cold water installations in detail.. All of the fore- going work is part ot the plans of a complete drainage and water system for a one family home. The last thing we do to make the drawings showing a complete plunibing installation from a single line diagram. We inake the coni- plete plans and elevations. In bricklaying we make drawings ot straight walls, corners, and crosses from 4 up to and including 20 walls, in the ditterent bonds, isometric being intro- duced as the course progresses. Paneling, iireplaces and arches are taken up quite extensively. In plastering we are taught to draw plaster as applied to tile and latll. Mouldings, pancling and arches are stressed very thoroughly with us. The students in carpentry draw the connnon wood joints, various types of sill construction, framing details of floor joists, partitions, outside walls, doors, windows, etc. Isometric drawings are used here to a great extent. We draw complete sets of working details of two-story houses, covering framing, and trim. In bricklaying, plastering and carpentry we all finish our courses with the drawings of floor plans and elevations of a two-story house in. brick, stucco or frame according to the trade we are following, with a good explanation of symbols used.

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T11 E A RY 'I SAN 65 Fred Harsch Ferdinand E. Kamprath Norman E. Metz 2-avg Mathematics ln treating the subject of trade mathematics at McKinley Vocational School, the aim has been to limit this otherwise abstract and terrifying branch of learning to its practical applications in the various trades taught at the insti- tution. This objective, however, necessarily involves the knowledge of various formulas as well as the thorough understanding of the elementary mathematical processes. For this reason our junior classes are given a great amount of drill in the fundamental topics of algebra-addition, subtraction, multiplication and division, the solution of linear and quadratic equations and problems dealing with their applications, fractions, fractional equations, and pa.rticul.arly, the mensuration, of general geometric areas and volumes. Our senior classes are given a most extensive drill in the solution of the general types of problems that will be encountered in their respective trades. These problems vary, of course, for dittercnt occupations. In most building trades for example, a ready knowledge of mensuration is most essential. Vlfith this end in view, we are trained not only in the handling of concrete problems, but in the derivation of the formulas used, as well. ln other trades geometric form and construction are important, we are therefore, given demonstration and practice in the use of the straight-edge and compass, An investigation into the operations of numerical trigonometry is entered upon for the benetit of those of us whose calling may require some insight into that most useful subject. Throughout all this work in mathematics several important points have been kept clearly in view and methods followed accordingly. Pure memory Work has been reduced to a. minimum. Merely to memorize a formula, for example, without any knowledge of its derivation is time practieall,v Wasted. Vlfhercas, when the process of obtaining a formula is understood, it can easily be recalled should it have slipped away from memory. Tn this connection. we are given problems that are as general and yet as varied as possible, so that we will be able to recognize what formula, should be used or what method should be employed in attacking any problem that may confront us in our daily work. Apart from all these considerations, however, the prime object has been to instill into our hearts and minds the fundamentals of good American citizenship. 'While the abstractions and pseudo-difficulties of algebra and geometry may not have much direct bearing upon this lofty aim, these studies should, nevertheless, by their incentive to' accuracy, by stimulating interest in mental activity and promoting mental endurance, through their broadening of reasoning and per- ceptive powers, along with the inenleation of good disciplinary habits from the class-room, do much to spur us on to a lifelong creditable American citizenship.