THE :MICHIGAN DAILY THE MICIGNpDIL UNIVESI X-RAY PHOTOGRAPHS, CK U[ ITERST' TVEL PLATE FOUR. INCHES THICK' Scien~tists Able to D~etect Flaws!I ter, which is used for smaller piec- Iini IIn Studying Structure es, screens out certain rays which ofMnas would blur the picture. The thick- ]nieala-hahdro ness of the material decides thel Inie__ea-hetedromo amount of voltage required for the Itheto flor f th Eat Eginer-picture. Apathy> in Election of'Studies teop forofteEstEgner h e length of exposure required { 1A{ Aeronautics May Force IngidinginX-a pa atus1a1o depends on the kind andI( Thi" Wtdr l . by rmeans of which scientists of the thicimess of the. metal as well as, _____ Ui~vrsiy a~ abe ~, tkg ph~G7 any other factors., The- negatives graphs throu'gh a steel, plate four are developed by the ordinary' pro-, CLASS FLJI D D IN 1925 ; inches in thickness,.,This. st- cess of developing X-ray photo- ment has a significance wirier th) :an raps. Flaws show on these neg- Pive Courses Offered Include th mere announcement of a'6ci- Iatves as black spots or shadows.1 Actual _ Flying 'Work { ntific achievement, for it meansI By taking pictures from- two dif- that studies of the structure 4 fe:rent angles it is possible to lo- During Summer. ieces of mnetal can nowr be made icate cxactUl, the "position qf these t with accuracy-a matter of alhiost I flawds. Even to anyone ,unfamiliar, Micthgan's course in naval avia-I inestimnable value to nearly, every with ;the whole process of casting, t~tflintaledin he ~nverit~ fvebranch of the. steel industry. if, will be evident that this highly ~ uiderthediretio of There are .two of thie X-ray ap- advanced; form~ of X-ray photo- Boy, esrv 'prauss n te as Eginen I graphysil be of enormous advant- Ensig wa.rdBosrerv navTal building, the smaller of which is age in the foundry. Through itsj ofier, rhlay have to be wt ihdraw-n used for research work in attem~p-; use it x gil1 be possible to make inas- at the end of this year unless inter- ting to determine the crystal struc- ter castings, which will be free'. 0tin th~e profession is inanifested ture ofs metal and -the atomic ar - fromd flaws, and which will serve 1tis and ext seines[ er. courses in ranigement in the structure. Stu-I as models for subsequent casting. this departmnt of hlying were first dies of this kind reveal the Iiith- The radiographs: will also .be of I effredat he niersty n 125erto unknown structures of neat- great importance in the making of and have shown grownb du 'inlg the ter. The larger apparatus, des-I very important castings, on which;; pastfewyea~s. his emeterhow cribed above. is used to take radio- I machinery of great value" or hu- ever, a general apathy in election of grpsbmaso wiht i man life itself will depend, as it these courses has caused officials to cover. the appearance of the inside will be possible to examine each of seek~ applicants for instruction. of metal, *This will,- for example, these castings, for such flaws as Fiv Corss Oferd.reveal to the investigator a poor have, been described, -precaution The five- courgses offered at the wl i h aeo eddmtl previously impossible. University under the present curri- o the presence of sand holes,:- cula innraval aviation include'' arger blow holes, or other flaws. grond c~1ol raiingcomarale The process by which these ra- troun t hoiveninnomthebee diographs are taken is compara- am $30 avitatin o ,alyong th etetively simple. Inside this lead- avain col. MAlhg with the lined-room zthe X-ray tube is1 nthex e rining receivda ' czgn u- placed above the object to be pho- me wor in a.ctuial flying following tographed and the _ object itself -is weeks. ,al at the wnter's >study on nmechanics Iplaced on the photographic plate. f23 G ds Lectres re given in thie couirse for v i d e d w i t h calcium tungstate A e tw ouscedit toward gradua- screens or lead screens. The for- HorI3t ien. The classes. are, held on Tues- mer, intensifies the photographic ous tr daye an ThIursday evenings. i action of the X-rays and the labt-I ftActual. Expeience. _______________________________ Traiingin :actual flying is ac- -=I comnpised first at Grosse. Isle air- (g hsmnri.ofieslaprt school .t the naval station un-An gtieB stad t bier Lieut. ChrlesD. Willams. Dur-O' flh,n every ph~ase of airplanes i easonawearr~'ces and eaplnes which is open to stu- dns hIavigcom~pleted the Michi- I R EM A N 'SI g'an air course. Following training i atGrose Ie the men are taken toF R Pescoa.Fawhere final instruc- I toiadppoximately 25C hours, of ying compltes th~e course. Corn- ILI ~ ~~I I - i II I nission~s in the reserve navy for A i. LN , R U - + " M students so desiring. Courses similar to thi9 one offered at Miigan are now being, given at Purdue, Stan- Clean, Pleasant and With Excellent Servicefod.hcgMinstadzay othr midwestern and western' ONLY ONE BLOCKe NORTH FROM HILL AUDITORIUM schoolfs and universities. I _v .i~A~.- " - " _____________ Syracuse Professor ITRET OSEN Will Head Dry Ticket ~ .r innumi ill NewYork State~ VVIbIUUh (R.. associ'trd Press) NEW YORK, Sept. 29.- Professor Talks on Initernational Affairs c Robert P. Carroll, of Syracuse uni-I Planned for S. C. A. versity, was selected today as an in- Meetings:. deedndygbrntra.'nifdate by representatives of dry or- ?A NU C FALL TOPICS ganizations. IThe petition for Professor Carroll, Itrs nitrntoa far aflready .circulated, probably will be shudrnhg hsatm~n ac- filed Monday, naming him as guber-' cording to Morton Frank, '33, chair- natorial candidate of the "Law man of the Student Christian asso- Preservation party." I ciation international committee, After the meeting, which was pre- who ec-lyanon eheplans , sided over by Fred E. Victor, state - eetyanucdt superintendent of the Anti-Saloon of hi-s group for the coming year. League, Mars. D. Leigh Colvin, state International forums are being president of -_ the W. C. T. U., said arranged= which will take placeI that in backing an independent -aotoc ot nSna I candidate, the, Republican drys did f not feel that they were splitting ; ron nLneHl.Wl from the Republican party. - qualified speakers from the univer-I "WVre feel," she said, "that we are s ity and from the country at large the real- Republicans." ! will be obtained to speak at theseI MrColvin said the drys would gteisantoedthd iscs not ru. a full ticket -in the fieldgasiongs ihdwlltollowd thetiscs but in a. few instances probably,:in hc ilflo.Tetpc would run dry candidates against) upon which these forums will be wet Republicans. =held are, as follows: The Possibility - of a Dictatorship in Germany, The IBUTLER UNIVERSITY -A: first- =Industrialization of Japan,, The year women student, recently elected! Independence of. India and Palas- three five-hour courses, all coming tine, and The Jews in the Near at 10 o'clock. East. ~Screen Reflection4Es Fine--and yourself? rIIU What with an Immature golf course at the Michigan, a new man- I agter at the Majestic, and double feature programs at the Wuerth- only the talkies themselves have re- Imained the same over the summer ' respite. And having- been enveigledj into seeing only three cinema epics since leaving the Butterfield -do- main, we start the greater movie! season with a determination whichI 1augurs. none too well for second- rate reels (if celluloid. Currently, Cyril Maude's "Grum- py" closes today at the Michigan, follo~wed tomorow by Louis Mann's "Sins of the Children." And Leatrice Joy is "A Most Immoral Lady" at the Majestic. However; Johnny Gilt- bert redeems the erring --children and ladies with "Redemption,"' adopted from Tolstoy,. at, t h e Wuerth. The other half of- the Wuerth 's m~iid-week double-header i~s Jack.- Mulhalls, "The, Fall Guy," reputedly a comedy of merit.. - -Bert. Radios, Airplane Rides anc of Cal Deplete CoffE of Newly Rich. - (BPI, A.. iafcd i 'r IVANCOUVER, B. C., Sept Eskimo families which earn 000 a year selling white fc and think nothing of sp $300 a ton for coal and larg~ for long airplane jaunts and were described by the crew Hudson Bay Co. trading Bayc'himo here today after son in the Arctic -ocean. Easily won fortunes in t grading~ occupations of the haecreated a mxode of 1i disregard for expense that persons from, "the outside, cers of the Baychimo. said IThey reported no less t airplanes visited Hershel isle ing off the Arctic ocean co, the boundary line of Alas' Canada, on commercial tri] Seidfrs Ju'n' iors Today Thursday q . Amok Air A m Shows -at- 2:00.33 7:00.9:00 sophomores Freshmen D~oUBLE FEATURE PROGRAM, JO)HN GILBERT CONt'RAD NAG EL ADOREt' JoE PARKER' c R 'DEM TIin is 'OPEN Fromn Tolstoi's "The Living Corpse" -AND- JACK MULl-ALL In A Comedy Riot "THE FALL GUY" Enough Said!9 AkE-SVISIT H-ERE Dr. Herber D. Curtis, recently ap- poinjted ,as director of the university observatory a.nd hiead of, the astron+- mydepartment to succeed Prof. aph HCuprtiss, who died last Ike- . cebewas in town for a short' time yesterday to confer with Prof.j CalW.Ru fus, who has been ascting Bead. of the astronomy department sinc~e the death of Professor Curtiss end W~ith D~ean John R. Effinger of the literary college.' p uriwho lhas been director of the Alliegheny observa.tory of the U1niversity , of Pittsburgh for~ the past ;ten years, will officially assume his. new duties October 15. He is a. Michigan graduate, having receiv- ed his bachelor's degree here in 1892 a.nd his master's in 1893, his doctor- ate he obtained from the University, of Virginia. CUJSTOM-MADE CLOTHES i - $35 to $40 Collegiate Styles CHAR~LES DOUKAS - 1319 South University{ Satisfaction--Service PLEDGE PINS BUTTONS, BAD~GES GUVARDS STATIONERY - GIFTS Burr, Patter~ox & Auld Co. .. _ _ _ _. _ _ , - - T'he James Boot Shop Popular Pribed Again Sotnething New for Ann Arboar F STAR~TING - "- TODAY -MATINEE TEtA DANCE 3:0to 5:00 Come on in and~ get acquainted ..4