168 62. Elementary Acetylene Welding (Continued). A study of metal properties important to welding, tests for identifying metal and preparation for welding, expansion and contraction of metals, oxy- acetylene welding of ferrous alloys such as fusion welding, sheet steel, mild steel plate, welding steel pipe, welding alloy steels, and welding cast iron. Five quarter hours. Winter. Staff 63. Elementary Acetylene Welding (Continued). A study of the principles of bronze welding; also welding chromium, nickel, steels; commercial aspects of welding iron and steel. Oxy-acetylene welding of non-ferrous alloys, aluminum, copper, nickel alloys, magnesium, lead, hard surfacing and other applications are studied. Five quarter hours. Spring. Staff 64. Elementary Arc Welding. The scope and application of arc or electric welding, setting up of apparatus, proper techniques of striking the arc, the equipment, care and operation of equipment, general precautions in arc welding, welding rods, and their applications, along with some techniques such as bead weld, flat position, continuous uniform bead welds, beading and build up. Five quarter hours. Autumn. Staff 65. Elementary Arc Welding (Continued). Welding symbols as they appear on manufacturer's blueprints, expansion and contraction of metals, reverse and straight polarity welding for butt, lap, vertical, horizontal and overhead welding. Also the general normalizing and heat-treating of welds. Five quarter hours. Winter. Staff 66. Elementary Arc Welding (Continued). The shielded arc electrode method of welding, alternating current welding, thin gauge welding, carbon arc welding; all types of welding as it applies to construction and design of equipment, jigs and patterns. Five quarter hours. Spring. Staff TECHNICAL EDUCATION Trade Related 40. Driver Education and Traffic Safety. A course designed to acquaint the student with the skill and laws required to operate a motor vehicle. The course requires both road and classroom instruction. It is indorsed by the American Automobile Association. Three quarter hours. Autumn, Winter, Spring. Staff 81. Vocational Science. A course in which practical problems of trades are explained in terms of principles of heat, electricity, chemistry, levers, and motion. Two lectures and one laboratory period a week. Three quarter hours. Autumn, Winter. Staff 169 82. Theory of Internal Combustion Engines. A course in the study of the fundamental construction, operation, science, and theory of the Diesel motor and the airplane engine, including both the four- stroke and the materials used in the construction and the operation principles. Actual motor demonstrations are given. Designed for students who have had some previous mechanical training. One lecture and one laboratory period a week. Two quarter hours. Winter. Staff 83. Automotive Familiarization and Adjustment. A course given to body and fender mechanics and others who require work knowledge of the modern automobile. Time is spent on the various principles of operation and the adjustment necessary to make the automobile perform efficiently. One lecture and one laboratory period a week. Two quarter hours. Autumn. Staff 84. Industrial Safety. A study of important phases of the safety measures used in modern industry. The course is designed to develop safety consciousness, the recognizing of unsafe conditions, and steps to be taken when an accident occurs. Appropriate visual aids are used. Three quarter hours. Autumn, Winter, Spring. Staff 85. Automatic Transmissions. A course for Automotive majors in the theory, construction and principles of operation of the automatic transmission including Dynaflo, Hydramatic, and other popular transmissions. Three credit hours. Spring. Staff 86. Basic Tool Processes. A course for vocational students in the use of small hand tools, their repair and sharpening. Emphasis is placed on the- use of the tap and die, soldering, drilling, tube flaring and bending, and filing. Two quarter hours. Autumn, Winter, Spring. Staff 87. General Machine Shop. A course which gives a student in service trades an opportunity to become acquainted with the basic tools of the machine shops, including lathe, drill press, elementary milling, and shaper operation with the necessary bench work. Time is spent in class learning a limited amount of machine shop theory. Two laboratory periods a week. Two quarter hours. Autumn, Winter, Spring. Staff 88. General Welding. A course given to all trade students requiring familiarizing with the fundamental and practical practice of fusion welding, using both the electric and gas methods. Time is spent in mastering the skill for brazing and other methods of bonding metals. Sufficient classroom activity is required to acquaint the student with the principles and safety practices. Two laboratory periods a week. Two quarter hours. Autumn, Winter, Spring. Staff 89. Metal and Heat Treatment. A study of the physical properties, composition, constituents, and thermal theatment of metals used in industry. The metal and heat treatment studies include ferrous and non-ferrous metal and their alloys. Three quarter hours. Winter, Spring. Staff