214 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 triangu- lations. Two quarter hours. Autumn, Winter. Best ELECTRONICS 91. Radar Fundamentals. Theory of circuits used in radar and television. Deals with nonsinusoidal waves and transients, R-C and R-L time constants, gas tubes, electronci rectifiers, voltage, doublers, and regulators, video .amplifiers, R-C oscelators and cathode followers. Prerequisite: Electronics 63 or Equivalent. Five quarter hours. 93. Radar Systems. Theory of vacuum tube R-C and R-L circuits used as limiters, clampers, peakers, sawtooth generators, multivibrators, and counters. Also cathode ray tubes, transmission lines, wave guides, cavity resonators and ultra high frequency generators. Prerequisite: Electronics 91. Five quarter hours. 94. Radar Systems. A continuation of Electronics 93. Four quarter hours. ELECTRONICS 94. Radar Circuit Analysis. Theory and Technical information with demonstrations of radar circuit analysis, on radar test sets, oscilloscopes, and power meters, wil be given. Students will use and check actual wave forms with the aid of a radar circuit demonstration. Demonstrations with the aid of students will operate on actual air borne type control system which is designed to track and locate moving aircraft targets. Operation and calibration techniques will als.o be given. Four quarter hours. . GUN REPAIR 61. Gun Repair. A course which is offered to those who want practical experience in machine work, the manufacture of small parts and accessories, and the repair of stocks, barrels, etc. One quarter hour. 62. Gun Repair. A continuation of Gun Repair No. 61. One quarter hour. 63. Gun Repair. A continuation of Gun Repair No. 62. One quarter hour. 64. Gun Repair. A continuation of Gun Repair No. 63. One quarter hour. 65. Gun Repair. A continuation of Gun Repair No. 64. One quarter hour. 66. Gun Repair. A continuation of Gun Repair No. 65. One quarter hour. 215 MACHINE TOOL 71. Elementary Lathe Operation. A course designed for those who have little or no machine shop training. It is a basic course, giving the fundamentals of lathe operation, such as tool grinding, setting up apparatus, chucking work, center drilling, radii and fillet forming, knurling, external threading, drilling, boring, reaming and taper turning. Three quarter hours. 72. Machine Operation. A course designed to give training in advanced lathe work, face plate work, line boring, steady rest and follower rest work, multiple threads, acme and square threads, cat head and spider work, jig work for turning special parts. Precision measurements are also stressed. Experience is given in bench work, layout, application of steel rule, micrometer, verneer scale, dial indicator, hack sawing, filing, chipping and assembly of parts. Three quarter hours. 73. Machine Operation. An advanced course including lathe work, incorporating application of training in elementary lathe operation and machine operation. Also included are the following: Drilling machine operation, layout work, guiding a drill, clamping work, holding devices, sharpening drills, precision drilling, drilling mating parts, spot facing, counter boring, reaming, boring, tape and tapping. Three quarter hours. 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 ether 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.