226 227 74. Machine Operation. The course in shaper and planner operation includes adjusting and setting up shaper, shaper plain surface, tool grinding, shaping angles, irrigular shapes, parting, cutting contour surfaces, cutting key-ways and shaping slots. Planer work including methods of holding work, measuring and gauging, planing long plain surfaces, angular cuts, cutting slots and other operations similar to shaper work. Three quarter hours. 75. Machine Operation. The course is elementary Milling Machine Operation includes: Milling plain surfaces, angular milling, end milling, cutting key-ways, cutting hexagons and irregular shapes, milling form shapes, use of vises, clamping to table, holding devices, slot cutting, step milling, gang milling, straddle milling, drilling, boring, reaming, increment cuts, cut and try methods, and other typical indexing operations. Three quarter hours. 76. Machine Operation. The course is advanced milling machine operations includes spiral milling, cutting cams, angular indexing, differential indexing, use of rotary milling, vertical milling, use of universal attachment, slotting attachement, cutting splines, cutting flutes in reamers and taps. Three quarter hours. 77. Machine Operation. A course designed to give experience in spur gears, bevel gear, and spiral gear cutting. Calculations for these gears, use of handbook and teaching aid are also stressed Heat treating of machined parts, normalizing annealing and hardening tempering, case hardening, hardness testing, pack hardening. Elementary metallurgy is also studied. Three quarter hours. 78. Jlachine Operation. Metal sawing includes technique of hand sawing, setting up machine for sawing, filing and polishing, straight sawing, contour sawing, selection of blade for job, welding blades, band filing, polishing, two dimentional sawing, cutting out, stamping dies—Layout work, precision sawing to lines, using magnifying glass cut a male and female die on do-all saw, punch press work, setting up die shoe. The operation of the punch press, using a die set up, is also stressed. Three quarter hours. 80. Machine Operation. The course in advanced machine proc- cesses includes use of turret tool post in duplication parts, set up operational sequence on lathe jobs, set up production time, machining using jigs in drill press, milling machine and lathes. 81. Machine Operation. A course in jigs and fixtures fabrication, stressing the use of various machines in shop, including lathe, shaper^ milling machine, metal band saw, drill press, simple dril jig, lathe jig, milling machine jig. 82. Machine Operation. A course in surface grinder operation, including care of machine, setting up machine for grinding, coolants used, correct wheel for the job, cutting feeds of speeds, surface finish, grinding plane surfaces, form grinding, grinding angular surfaces, truing and dressing wheels, balancing wheels and face grinding. 83. Machine Operation. A course in cylindrical grinding operation, including grinding wheels, truing and dressing, work holding devices, plain grinding, taper grinding, shoulder grinding, internal grinding, form grinding, coolants and cutting compounds. 84. Machine Operation. A course in tool and cutter grinder operation, including grinding wheels, types, sizes and selection, truing and dressing equipment, grinding cylindrical milling cutters, clearance grinding, grinding form tooth cutters, rinding reamers and taps, end mills, side mill cutter and slitting saws. 85. Machine Operation. A course in centerless grinding operation, including grinder attachments, grinding wheels, balancing wheel spindle, work holding and clamping devices, truing and dressing equipment, speeds, feeds, in-feed and end feed methods of grinding, coolants and cutting compounds, and machine adjustments. 86. Machine Operation. A course in quality control including inspection equipment, dial test instruments, comparitors, gauge blocks, optical flates, fixed gauges, mic-masters, surface finish inspection, hardness testing, and gauge testing. WATCHMAKING 71-A.B.C. Watchmaking. A course devoted to the general practice of watch repair, including bench work, lathe work, clock mechanisms and lever escapements. Each unit of work is practiced and studied separately as well as in general repair. Course is designed primarily as a leisure time activity. Those wishing special instruction can also receive assistance. Three quarter hours. 72-A.B.C. Watchmaking. A continuation of Watchmaking No. 71. Three quarter hours. 73-A.B.C. Watchmaking. A continuation of Watchmaking No. 72. Three quarter hours. 74-A.B.C. Watchmaking. A continuation of Watchmaking No. 73. Three quarter hours. 75-A.B.C. Watchmaking. A continuation of Watchmaking No. 74. Three quarter hours. 76-A.B.C. Watchmaking. A continuation of Watchmaking No. 75. Three quarter hours. WELDING 61. Welding (Blue Print Reading and Welding Symbols). A course designed to meet the specific needs of welders in interpreting trade drawings. The principles of blueprint reading and sketching together with the use and application of welding symbols are extensively covered. Three quarter hours. 71. Welding (Electric Arc.) Course offered for those students who have had little or no training in arc welding as well as those who wish to upgrade themselves in the trades. It is a continuous course running for six quarters beginning with fundamentals of welding and continuing into advanced welding. Classroom instruction is given—welding beads, butt joints, lap joints, fillet weld, nipe welding, overhead, vertical and flat position welding, preparing and welding of repair jobs, cast aluminum welding are also given. Three quarter hours. 72. Welding (Electric Arc.) A continuation of Welding (Electric Arc.) No. 71. Three quarter hours.