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Technograph5919441945cham.Pdf L I E> I^ARY OF THE U N IVLRSITY or ILLINOIS G20.5 TH ..59 AtTGF'^HAl-t STA6«S' o^ ,^ .<o ^# -^i^cc;*'/ rH Juuiuv m, iiLk iiiE last link in the 10-mile Shasta Dam convey- The Convejnr Co. 32«u E. Slauson ilvenu* lo9 Angeles, CdliTeml* in"; system is a mile and a half unit made by the Atteotloni Ur. U.S.Saxo, Prasi^ent, Conveyor Company of Los Angeles, using 17,500 New As joa toiDH, our use of tho trougtilng cor.voTor system at Sh&sta D&3 using NeM ijepsrture CoavoTor EtoU bearings and Installed by your cospai)/, Departure Self-Sealed Ball Bearings of two types. ^3 about Goopleted. '.;hen this Job was being discussed at the start, m questlonod ttm u» of Mew Departure Sealed Conveyor bearings in service on ^6 inctt belts For nearly four years this system has handled 13 Carrying six inch rock at 1,50 feet per lUnute, Considering that even ii; the building of uouldor Jan h« had not hii as large a conveyor problea, »« mre raluctant to experliMnt any aor* than ii« million tons of rock as big as 6 inches in diameter. hbd to In designing equip.unt for Shasta Dam. l^oH, after nearly four years irlth extreioely low and satisfactory .^'i> tenance costs, appraxiastely 13|0>M,C>^ tons hav« been handled vrith this The satisfactory service obtained is proof that these c^ulpnent. tie know that the greatest savljig In the use of thta deili^ ma In t^ft self-sealed "Lubricated-for-life" ball bearings are not alialnation of lubricAtins and of cleaning up after lubricating, uada possible by the use of sealed bearings. job but effect great savings in time It ij a pleaiuie to advise you that yoor troughing Idlers uatng lUw onlv equal to the iJeparture Sealed botrioga have been very satisfactory. and lubricant. New Departure engineers will be glad to suggest how you may use these ball bearings to your own advantage, when they are again available. Ask for Booklet C. New Departure, Division of General Motors Corporation, Bristol, Connecticut. Los Angeles, i Chicago and Detroit. 3281 NEW DEPARTURE BALL BEARINGS life. Shafts and li'vinngs de- A o t h in Rolls Like a Ball Bearings are lubricated for g signed to prevent cramping or slippage. Units easily set up. THE TECHNOGRAPH h in JMffti^ STAFF EDITOR Herb Newmark The Tech Presents Associate Editor Mike Martus, V-12 Assistant Editor Bert Levey, V-12 Mel Long, V-12 Assistant Editor Letter to the High Schools 8 Assistant Editor Anne Lindberg Diehl, V-12 Lavout Editor Hal Quality Control 10 By J. A. Henry Editorial Staff Lila Jones Ed Paluga lllini V-12 Engineers 12 Doris Nelson Jane Buescher Fletcher Bill Powrie Pat Fifty Years Ago 14 Terry Guap Bill Vicinces, ASTR By R. B. Peck and M. E. Uyanik Burton Rissman Otto Turnovsky Prominent Engineer 16 By Herb Newmark BUSINESS MANAGER Frank Holecek, V-12 Societies 1^ Circulation Manager Ernie Fraizer, V-12 Our By Frank Holecek, V-12 Business Staff Personalities 22 Joy Galperin Marilyn Sherris By Bert Levey, V-12 Herb Brounell Eileen Bachman Devora Schift Audrey Goldman Scientific Japanese 25 Jim Ogden Ralph Scharenberg V-12 George Reynolds, Outstanding Recognition 25 Faculty Adviser J- A- Henry American Production 28 COLLEGE MAGAZINES MEMBER OF ENGINEERING 3'J ASSOCIATED Turbosupcrcharger Arkansas Engineer, Colorado Engineer, Cornell Engineer Drexel Tech- Iowa Transit, Kansas nical lournal, Illinois Technograph, Iowa Engineer, Turbines 3S Engineer, Kansas State Engineer, Marquette Engineer, Michigan Teclnuc, Gas Minnesota Techno-Log, Missouri Shamrock, Nebraska Blue_ P"nt. New York University Ouadraiigle. North Dakota Engineer, North Dakota Engineer, Oregon State Engineer,' Ohio State Engineer, Oklahoma State 3o Engineer, Rose Technocracks State Technical Record, Pennsylvania Triangle, Purdue Technic, Tech Engineering News, Villanova Engineer, Wayne Engineer, Wisconsin Engineer, and Cooperative Engineer. Students Publishcti Eight Times Yearly by the of ^ ^ 1^ -M- 1^ iV' the College of Engineering, University of Illinois December, Pulilishcd eight times during the year (Octolier, November, TECHKEGRETS lanuarv, Kebruarv, March. April, and May) by The lllini I'liblishing matter, October 30, 1921. at the post (.umpanv. Entered as second class Like so many other student activities, the TECHNO- office of Urbana, Illinois. Office 2\} Engineering Hall, I rbaiia, Illinois. Subscriptions, $1.00 per year. Single copy 20 cents. Reprint rights GRAPH has suffered losses due to the war. Our experi- The Illinois Technograph. reserved by enced personnel have been called to the service of our country, resulting in an unavoidable delay in the publica- Representative Little-Murray-Barnhill, fin.=; North National Advertising — tion of our October issue. Michigan Avenue, Chicago 11. 111. Letter to the High Schools of Illinois . For the first time, the ' Technograph" is being sent to the high schools of Illinois through the cooperation of the staff and the College of Engi- neering. We are doing this in an effort to bring future Illini a glimpse of their Universit>-. Many of >ou in the reading audience will soon finish your high school training and will enroll in this and other universities. We hope that through the "Technograph" we ma> furnish >ou with a better in- sight of what waits in store for \ou. As an introduction to new readers, we would like to explain that the '"Technograph" is a monthly magazine written and managed b> the stu- dents of the College of Engineering of the University of Illinois. We try to bring to our readers some knowledge of the courses offered here, the progress in research at the University, and many other educational aspects of college life. We also try to introduce you to leading members of the student body and faculty, the leading engineers of today, and the leading engineers of tomorrow. We report news of the various engineering soci- eties and honoraries that are active here on campus, and endeavor to familiarize you future Illini with what lies in store for you at the University. We believe that we are attending one of the finest engineering schools in the country, and the staff of the "Technograph" will make every effort in issues to come to substantiate that claim. We invite your interest and questions, and will be glad to furnish you with any information about the University and the College of Engineering that you desire. We are looking forward to a long friendship and association. THE EDITOR. THE TECHNOGRAPH •TO THY HAPPY CHILDREN OF THE FUTURE, THOSE OF THE PAST SEND GREETINGS" This Kuirk by Lariidi) Tait, one of tlic foreimist American sculptors and a graduate of the University of Illinois in 1S7^, occupies a position of honor overlooking the broad campus south of the Auditorium. Quality Control Methods By JOHN A. HENRY As.sucidtt' ill M fcluniictil hiii^iiiccrinfi For eight days, beginning November 29, 1944, the L ni- tistical me;isures of variation, the two most important, for versity of Illinois will be host to a group of men from this discussion at least, being the central tendency as de- industry taking a course entitled "Quality Control by fined by such concepts as the arithmetic mean or average, Statistical Methods," sponsored by the United States Office the median, the mode and the geometric mean. Statistical of Education, the War Production Board, and the L niver- control is concerned with the a\erage, or the simi of n ob- sity Engineering Extension Service. Two members of the servations divided by n. will present faculty and two representatives from the WPB Mathematically, this reads, X^ (2"i •*) "• where -V is the material, aided by talks from several men in industry the average of the observations, A'j, X.„ Xi X„ arc who have put this amazing new technique to practical use the individual observations, and n is the number of observa- in their own plants. What, may it be asked, is the magnet tions. hundreds of men to similar courses that has already drawn Everyone knows the importance of the average, but throughout the country, and promises to hi! the local quota many do not realize the dangers involved when it is used leading industries throughout the State with men from by itself. Take the case of the cross-eyed himter and the other points in the Midwest? The purpose of and from patient deer. The hunter fired ten shots, five of which this article is to discuss the general problem without going struck a tree ten feet to the left of the animal, and five more a detailed explanation of specific procedures. into struck ten feet to its right. The hunter may argue that It is claimed that Qualit\' Control by Statistical Methods on the average he hit the deer every time, but he isn't will lead to: kidding the deer. This brings us to a discussion of the dis- persion, or the manner and degree in which the individual quality 1 ) Improvement of product items dififer from their central value. 2) Labor and material economies The common unit of deviation is the Standard Deviation 3 ) Decreased rejection and reworks (Greek letter Sigma, Sigma is defined as the square 4) Decreased inspection costs j). the average the squares of the differences between 5) Improved producer-consumer relations root of of the individual readings and their average. Mathematically, What is Quality? this reads: a = [2"i (^ — jr)-'n]=. There are shorter Dictionary definitions merely entangle one in a series methods of calculating sigma which will not be discussed in this article. of similarly elusive words, but it is easy to explain how quality is actually created and maintained. First, a standard It might be well to work out an example or two.
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