168 52. Alternating Current and Intermediate Shop Practice. A course giving instruction in the construction of moderately complicated radio apparatus with special emphasis on wiring, layout, making simple tests and interpreting more complicated diagrams. A series of experiments designed to correlate with Electronics 62Alternating Current Circuits, is included. Five quarter hours. Winter. Dalley 53. Vacuum Tubes and Radio Receivers. A course dealing with experiments and construction projects designed to give the practical application of vacuum tube basic functions and circuits and radio receiver construction. Five quarter hours. Spring. Dalley 54. Transmitters. Special projects and instruction are given in construction, installation, adjustment and operation of transmitting equipment. Transmitters ranging from a few milliwatts to 7.5 kilowatts are available for class projects. Five quarter hours. Autumn. Dalley 55. Television. A course giving practical instruction in Television Fundamentals through experiments and adjustments of circuits on commercial television receivers. Five quarter hours. Winter. Dalley 56. Servicing Procedures and Techniques. Methods of making measurements and tests, and analyzing troubles, making repairs, and adjustments are taught through actual experience on various types of radio, television, and electronic equipment. Special emphasis is given in the field of the student's choice. Five quarter hours. Spring. Dalley 57. Antennas. A laboratory course in the construction, installation, and adjustment of practical antenna systems for amateur and commercial transmitters and television receivers. Five quarter hours. Summer. Dalley Trade Technical 61. Direct Current Circuits. A beginning course for Vocational Radio - Television majors dealing with the structure of matter, voltage, current, power, resistance, inductance and capacitance as it applies to direct current circuits in radio, television, and electronics. Five quarter hours. Autumn. Dalley 62. Alternating Current Circuits. A course dealing with the voltage, current, phase, and power relationships in A. C. circuits containing resistance, inductance and capacitance. Special emphasis is placed on resonant circuits. Prerequisite: Electronics 61. Five quarter hours. Winter. Dalley 169 63. Vacuum Tubes and Radio Receivers. A course dealing with the operation of vacuum tubes and their application in basic circuits such as rectifiers, amplifiers, oscillators, etc. The applications of these basic circuits are applied to radio receiving circuits. Five quarter hours. Spring. Dalley 64. Transmitter Circuits. A course dealing with the electron tube and its associated components as used in transmitting circuits. Typical circuits and designs will be considered in detail with emphasis on adjustments and maintenance. Antenna design, installation and adjustment will be considered in connection with transmitters. Five quarter hours. Autumn. Dalley 65. Television and Radio Receiving Circuits. A course dealing with television receiving circuits, control circuits, and power supplies. Five quarter hours. Winter. Dalley 66. Instruments, Measurements and Servicing Procedures. A course dealing with the construction and use of all types of testing and measuring equipment used in normal adjustment and maintenance work of radio, television, and electronic equipment. Servicing procedures for all types of equipment are integrated with the use of the equipment into an overall working plan that can be used in servicing and maintaining all types of radio, television, and electronic equipment. Five quarter hours. Spring. Dalley 67. Antennas. A course in propagation of radio waves in space, transmission lines, antenna fundamentals, and design, installation, and adjustment of specific antennas for amateur and commercial use. Five quarter hours. Summer. Dalley 71. International Morse Code. A beginning course designed to acquaint the students with the characters of the alphabet, numerals, and simple punctuation. The student should be able to receive up to ten words per minute at the conclusion of this course. Five one-half hour periods a week. Autumn, Winter, Spring. One quarter hour. Dalley 72. International Morse Code. An intermediate course designed to increase the receiving speed from ten words per minute to about fifteen words per minute. The student also learns to send code with a "straight" key. Five one-half hour periods a week. Autumn, Winter, Spring. One quarter hour. Dalley 73. International Morse Code. An advanced course designed to increase sending and receiving speed to about twenty words per minute. Instructions and practice are given in message handling and use of the semi-automatic key. Five one-half hour periods a week. Autumn, Winter, Spring. One quarter hour. Dalley