166 55. Immediate Watch Mechanisms. A course including the overhaul of the escapement, replacement of balance staffs, resetting of pallet jewels, truing and poising balance wheels, and resetting roller jewel and roller table. Five quarter hours. Winter. McCormac 56. Advanced Watch Mechanisms. A special shop course given to students who have completed five quarter hours of watchmaking. The course includes final adjustment, correction for temperature changes, correction for position, and inspection and estimation of needed repairs. Five quarter hours. Spring. McCormac Trade Technical 61. Time Keeping Mechanisms. A course dealing with the history of horology and theory of timekeeping mechanisms, and a study of the metals used in watchmaking; also the process used in the heat treatment. Five quarter hours. Autumn. McCormac 62. Theory of Metal Machining. A course devoted to the study of design and construction in the watchmakers lathe and lathe attachments. Attention is also given to the study of the different graver or cutting tool edges. Problems in gear and thread cutting on the lathe form an integral part of this course. Five quarter hours. Winter. 63. Time-Keeping Escapements. A study of the theory and development of time-keeping escapements, nomenclature and parts are also studied. Five quarter hours. Spring. McCormac 64. Power and Train Mechanisms. A theory course dealing with power supply and distribution. The development of gears and gear teeth are also studied. Five quarter hours. Autumn. McCormac 65. Theory of Lever Escapement. Theory of jewels and metal friction including method of lubrication, setting and proper end shape of arbor in lever escapement time pieces. Five quarter hours. Winter. McCormac 66. Fundamentals of Finishing and Adjustments. A theory course dealing with the adjusting of watches to both position and time. Special emphasis on the finishing and polishing of the watch case and its effect on the public is also studied. Five quarter hours. Winter. McCormac 167 DEPARTMENT OF WELDING The curriculum in welding is designed to prepare a student for apprenticeship training as a welder. The Department of Welding is equipped to give instruction in fusion and bonding of metals using both oxygen, acetylene and electric arc methods. Courses are planned for a transfer as well as for a terminal student. CURRICULUM Welding (Pre-Apprentice) Freshman Year A. W. S. English 81 3 Mathematics 81, 82 5 4 Orientation 11 2 Physical Education 1 1 1 Technical Education 81, 84 3 3 Technical Education 91, 92 2 2 Welding 51, 52, 53 5 5 5 Welding 61, 62, 63 5 5 5 19 19 19 Sophomore Year A. W. S. Economics 81 3 Health Education 1 2 Physical Education 1 1 1 Sociology 81 3 Technical Education 87 2 Technical Education 93, 94, 96 2 2 3 Welding 54, 55, 56 5 5 5 Welding 64, 65, 66 5 5 5 17 16 17 COURSES OF INSTRUCTION Shop Practice 51. Elementary Acetylene Welding. A course for those with little or no training in acetylene welding. The student is taught how to set up an apparatus, secure balanced flame, reducing flame, oxydizing flame; how to control molten puddle and uniform puddle across work with uniform overlap of ripples; how to make uniform bead with torch and filler rod; also how to join pieces of metal up to one-fourth inch, by butt weld, fillet weld, and lap welding processes. Five quarter hours. Autumn. Staff