Weekend Meetings Set for Physicists A total of approximately 70, physics instructors from Oregon and Washington will be on cam pus Saturday for the 65th meet ing of the Oregon Section of the American Association of Physic's Teachers. All sessions will be held in the Science building. The meeting, one of three held' annually, will include speakers from Reed college, Oregon State college, and the University of Ore gon. Students majoring or are in terested in physics are invited to attend the sessions. Program events for the meet ing are as follows: 9 a. m. — Registration 9:15 a. m. — "Origins of the Earth’s Magnetic Field,’* G. D. Hoyt, associate professor of physics. 9:30 a. m. — ‘‘Observation of Campus Calendar 8:30 Ore Press Conf Regisira tion Lobby 2nd FI SU l Noon Ore Press Conf Lunch Ballrm SU Italian Tbl 110 SU 2:00 AWS Style Show Ger 2nd FI 4:00 Fri at 4 Fishbowl SU 7:45 Fri Eve Cof Hr Brs. Rm SU 8:00 Landau Lect Dadsrm SU Short Period Fluctuations In the Geomagnetic Field," P. A. Goldberg, associate professor of physics. 9:55 a. m. — "New Technique for Evaluation of Cloud Seed ing Operations,” R. L. Lincoln, Oregon State college. 10:40 a. m. — “The Complex Stellar System Algol,” E. G. Ebbighausen, associate profes sor of physics. 11:00 a. m. — "Report on New York Meetings of the APS and the AAPT," R. T. Ellickson, head of the physics department. 12 noon — Luncheon on campus. 1:30 p. m. — “Positronium," B. Craseman, assistant professor of physics. 1:45 p. m. — “Some Electronic Properties of the Silver Ha lides," F. C. Brown, Reed col lege. 2:05 p. m. — “Some Character istics of a Ground Germanium Surface,” P. Camp, Reed col lege. 2:20 p. m. "Laboratory Experi ments for Non-technical Stu dents,” F. E. Dart, assistant professor of physics. 2:40 p. m. — “New Methods and Techniques in Shop and In strumentation,” C. J. Filz, Ore gon State college. 3 p. m. — Tour of the Science building. AFSC Officer Here Monday Wilton Hartzler, college secre tary of the American Friends Ser vice committee, will be on campus Monday and Tuesday to interview students interested in working in | the committee's service projects. Monday at 8 p. m., Hartzler will show slides illustrating the ser vice projects and explain their^ purpose. This meeting will be held ! in the Student Union. Monday and Tuesday he will in terview students at the YMCA of fice. Appointments can be made in that office to see Hartzler. "Building Bridges Over Bar riers” is the theme of the 1954 projects. Student accepted for the program will participate in work c amps in this country. Mexico and i Europe and may work in mental hospitals, slum areas and indus i trial districts. Gregorian Choir Tickets on Sale Tickets are now on sale at the Student Union main desk for the Mt. Angel Seminary Gregorian ; Choir concert scheduled for Feb I ruary 25, SU Special Events Chair [ man Donna Schafer has announc 1 ed. The tickets, priced at 50 cents, will be sold to students and fac ulty members until next Monday, after that sales will be opened to the public, with a charge of 85 cents, Miss Schafer said. Construction Continues On Giant Spectrograph Three members of the physics department are currently con structing a market-priced $18,000; Wadsworth mounting spectro graph with a 35 foot grating at the University for the approximate sum of only $2800. The spectrograph, an instru ment which analyzes the compo sition of radiation, was started last March by S. Y. Ch'en, as sociate professor of physics; Rob ert B. Bennett, research, and j Harold D. Osborn, technichian. Research grants from the I graduate school have assisted the1 instrument financially thus far Allotments of $2,000 and $600 have been given during the past year, with the probable addition of $200 needed before the work is completed. According to Ch'en, the staff has completed six months of work since last March. When the in strument is completed this sum mer, it will probably be the larg est spectrograph west of the Rocky mountains. With the exception of the 35 foot grating and the concave re flector, all the remaining work on the instrument has been done by staff members. The grating and concave reflector was priced at $13X8. The spectrograph records a spectrum and has very high dis pension and resolving power. When completed, It will be used chiefly for research. (antfait? SELL IT MU THE WANTADS Don Wrnil, CU»iflc<1 AdvertUIng Mgr. FOR SALE Electric stove, $65. Sectional, 3 pieces, $85. Ph. 4 2939. tf FOUND — Money in Emerald Shuck. Will return to Identifier. FOR MONEY SAVING Trade at The Bargain House, new ami used men's women's clothing exchanges. 39 E. 7th Ave. 2-26 OH MY, l’APA! FOR SALE: One blond birchwood six year crib; one wooden high chair, training chair, child’s little wicker rocker, child's hard wood rocker, metal utility table. 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