UNIVERSITY OF FLORIDA PS. 314.-Advanced General Physics. 3 hours. 3 credits. Prerequisite: PS. 201-202. Offered 1. Dynamics, optics, and Bohr theory of the atom. Designed to meet the needs of teachers and non-physics majors. PS. 315.-Advanced General Physics. 3 hours. 3 credits. Prerequisite: PS. 201-202. Offered 2, 3. Electricity and magnetism, X-Rays, photo-electricity, and nuclear physics. For teachers. PS. 317.-Nuclear Physics. 3 hours. 3 credits. Prerequisites: one year of college physics, and one year of college chemistry. Desirable corequisite: Calculus. Offered 2. The elementary theory of the nucleus, nuclear disintegrations, natural and artifici,. radio activity, alpha, beta and gamma rays, neutrons, positrons, deuterons and n m-eal fission. The principles of operation of equipment used in nuclear research. PS. 320.-Modern Physics. 3 hours. 3 credits. Prerequisite: One yeor col- lege physics and calculus. Offered 1. The discovery of the electron, X-rays, and radioactivity; the Bohr theory; photo- electric effect; X-rays and their applications; the nucleus; the neutron, the positron, the meson; high voltage production; nuclear reactions, and atomic energy. PS. 401.-Electronic Circuits in Physics. 1 hour, and 3 hours laboratory. 2 credits. Prerequisite: PS. 311. Offered 2. Electron tubes and basic circuits frequently encountered in modern physical in- struments and apparatus. Experiments include Geiger counters, counting and scaling circuits for nuclear particles, multivibrators, thyratrons, cathode ray tubes, electron multipliers, differentiating and integrating circuits, feedback and logarithmic amplifiers, and the usual amplifier and rectifier circuits. PS. 404.-Advanced Research Techniques. 1 hour and 4 hours labo- ratory. 3 credits. Prerequisite: PS. 309. Offered 1. Theory and practice of laboratory techniques most frequently required in research problems. Includes manipulation of glass, production and measurement of vacua, appli- cation of kinetic theory to vacuum problems, design and construction of apparatus, generation of optical surfaces, application of physical optics to the testing of optical surfaces, scientific photography, materials of research. Prerequisite for graduate research. PS. 405.-Theoretical Mechanics. 3 hours. 3 credits. Prerequisite: two years of college physics; calculus. Corequisite: MS. 421. Offered 1. Statics of systems of rigid bodies. Motions of particles and of rigid bodies under constant and variable forces. PS. 406.-Advanced Theoretical Mechanics. 3 hours. 3 credits. The sec- ond half of the course PS. 405-406. Not offered 1952-53. Selected topics, in addition to the subject matter of PS. 405, to meet the ieeds of students desiring a more complete course in Theoretical Mechanics. PS. 412.-Advanced Electricity. 2 hours, and 4 hours laboratory. 4 cred- its. Prerequisite: PS. 311 and calculus. Offered 1. Varying and alternating current circuits, measurements, and instruments; complex algebra; solution of alternating current circuits, coupled circuits. The statement "Offered 1" means offered first semester; 2, second semester; 3, summer session.