81. Vocational Science. Practical problems of trades 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 82. Theory of Internal Combustion Engines. 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 demonstration are given. Designed for the 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. Designed for 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; 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. For Automotive majors. The theory, construction and principles of operation of the automatic transmission including Dynaflow, Hydromatic, and other popular transmissions. Three credit hours. Spring. Staff 86. Basic Tool Processes. 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. 87. General Machine Shop. 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 88a. Elementary Welding. For all trade students. Acquaints students with fundamentals and practice of fusion welding, using both electric and gas methods. Mastery of brazing and other methods of bonding metals. Stress on principles and practices of safety. Two laboratory periods a week. Two quarter hours. Autumn, Winter, Spring. Staff 88b. Intermediate Welding. A continuation of technical Education 88a. Two laboratory periods a week. Two quarter hours. Autumn, Winter, Spring. Staff 88c. Advanced Welding. A continuation of Technical Education 88b. Two laboratory periods a week. Two quarter hours. Autumn, Winter, Spring. Staff 91. Mechanical Drawing and Print Reading. The use of instruments, types of lettering, and graphic solutions; lines and symbols. The drawing of orthographic projections, sections, auxiliary views, revolutions and size, shape descriptions; isometric drawings and the translation of orthographic into pictorial drawings. Two quarter hours. Autumn, Winter, Spring. Staff 92. Mechanical Drawing. The theory of shape and its representation in orthographic projections, sections, auxiliary view, revolution, and size descriptions. Isometric drawings and translation of orthographic into pictorial drawings are also included. Two quarter hours. Autumn, Winter, Spring. Larson 93. Mechanical Drawing. A continuation of Mechanical Drawing 92. Two quarter hours. Winter, Spring. Larson 94. Mechanical Drawing. A continuation of Mechanical Drawing 93. Two quarter hours. Spring. Larson 95. Plans and Specifications. Completion of wall sections and floor plans. Blue print reading. Prerequisite: Tech. Ed. 94. Three quarter hours. Autumn. Best 96. Plans and Specifications. Completion of floor plans and elevations for buildings. Prerequisite: Tech. Ed. 95. Three quarter hours. Winter. Best 97. Plans and Specifications. Completion of building detail drawings. Stair details, structural, fireplace, entrance and other details of construction. All symbols of construction and fixtures are studied and used. Prerequisite: Tech. Ed. 96. Three quarter hours. Spring. Best 98. Pattern Drawing (Sheet Metal). A course designed to give experience in development and layout of sheet metal patterns using three methods of development; parallel line, radial line, and triangulations. Two quarter hours. Autumn, Winter. Larson Applied Chemistry. (See Chemistry 81, page 106.) Applied Mathematics. (See Math. 81, 82, 83, page 117.) Current Industrial Problems (See Econ. 21, page 55.) Essentials of English (See English 81, page 69.) Freshman Activities. (See Phys. Ed. 1, page 129.) Personal Health (See Health Ed. 2, page 128.) Social Relationships (See Soc. 21, page 144.)