108 3. Descriptive Geometry. Auxiliary views, fundamental constructions, point, line and plane relations, developable surfaces, intersections, and angles between planes. Prerequisite: Engineering 2. One lecture and two laboratory periods a week. Three quarter hours. Spring. Alexander, Atkins 4. Surveying. A course in the theory and use of surveying equipment including the chain, plumb bob, hand level, engineer's level, and engineer's transit as used to measure horizontal and vertical angles and distances, run traverses, and shoot grades. One lecture and one field period a week. Prerequisites: Engineering 1, Mathematics 3 or 3a. Two quarter hours. Autumn. Rich 4a. Surveying. A course in the theory and use of surveying equipment, including the chain, plumb-bob, hand level, engineer's level and engineer's transit. This equipment is used to' measure horizontal and vertical angles and distances, run traverses, and shoot grades. One lecture and two field period a week. Prerequisites: Engineering 1. Mathematics 3 or 3a. Three quarter hours. Autumn. Rich 5. Surveying. A continuation of Engineering 4 or 4a, the field period being replaced by office practice including adjusting and plotting of field data, computation of areas and volumes and use of the polar planimeter. Prerequisite: Engineerng 4 and 4a. One lecture and one laboratory period a week. Two quarter hours. Winter. Rich 5a. Surveying. A continuation of Engineering 4 and 4a, the field periods being replaced by office practice including adjusting and plotting of field data, computation of areas and volumes, earth fill dam volumes, reservoir area-capacity curves, and use of the polar planimeter. Prerequisite: Engineering 4 or 4a. One lecture and two laboratory periods a week. Three quarter hours. Winter. Rich 6a. Surveying. A continuation of Engineering 5 or 5a. Office practice is replaced by field work. A large scale topographic survey is made by running horizontal and vertical control, taking solar observation for meridian, and by shooting details with the transit and plane table. The topographic map is completed. Prerequisites: Engineering 5 or 5a. One lecture and two field periods a week. Three quarter hours. Spring. Rich 10. Pattern Making. Pattern details, problems in pattern design, and the making of simple and complex patterns to be used in the foundry. One laboratory period a week. One quarter hour. Autumn. Alexander 11. Machine Shop Methods. A course dealing with the theory and practice of machine shop methods. It includes use and exercises with hand tools, and such power machines as lathes, grinders, drill press, and milling machines with exercises in center, face plate and chuck work, turning, tapers, thread cutting, boring, reaming, drilling, slab cutting, gear cutting, grinding, finishing, precision measuring and inspection. One shop period a week. One quarter hour. Winter, Spring. McCormac 109 11a. Welding Methods. A course in theory and practice of oxy- acetylene and electric arc welding. It deals with fusion welding and cutting with acetylene on steel alloys and non-ferrous metals. Electric welding of steel in varied thickness and positions. One shop period a week supplemented by lecture. One quarter hour. Spring. Staff 12. Foundry. A course in foundry processing including molding and melting methods, sand preparation, tempering sand, use of parting sand, core sand, sea coal, and special preparation of foundry equipment. One shop period a week supplemented by lectures and industrial plant visits. One quarter hour. Winter. Staff 13. Forging and Welding. A course in theory and practice dealing with fluxes, swedging, upsetting, heat treatment, and applications of forge welding to steel and steel alloys. Two periods a week. Two quarter hours. Winter. Staff 14. Machine Shop Practice. A course in machine shop methods and practice. It deals with some bench work and hand tool useage, basic fundamentals of lathe, drill press, shaper, and milling machine operation such as facing, rough and finish turning, thread cutting, drilling, reaming, boring, taper turning, plane and angular shaping and gear work. Two shop periods a week. Two quarter hours. Winter. Staff 18. Engineering Mechanics. A course in the equilibrium equations of statics. A study is made of the resultants of force systems, equilibrium of force systems, friction, first moment and centroid, and moment of inertia. A study is also made of mechanics of materials including stress and deformation, mechanical properties of materials, allowable stresses, stresses due to axial load, and riveted and welded joint. Prerequisites: Mathematics 8, Physics 4. Four lecture period a week. Four quarter hour. Spring. Rich 20. Introduction to Electrical Engineering. A survey course of the fields of Electrical Engineering. Descriptive studies are made of electric power, electronic, radio, and telephone communications. Field trips are made to nearby installations. Open to sophomores majoring in Electrical Engineering. One lecture and one laboratory period a week. Two quarter hours. Winter. Atkins 21. Fundamentals of Electrical Engineering. A study of basic Electrical Engineering principles. Topics include unit systems, d.c. circuit analysis including network theorems, magnetic and electric and electric fields, capacitance and inductance, and transients. In the laboratory, this theory is applied to the experimental analysis of eletrical problems. The use of electrical measuring instruments is stressed in the laboratory work. Prerequisite: Mathematics 7 and 8 and Physics 4 and 5 with a grade of C or higher in each subject. Five lecture periods and one laboratory period a week. Six quarter hours. Spring. Atkins