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t (By George 13. Lake, WD.) When I was a lad .in preparatory school I encountered oneNay, on an inside page of one of the newspapers, a paragraph about two inches long, to the efteet that a German scientist named Roentgen, using the vacuum tube designed by Crookes. of Eng- land, had been able to photograph the bones in the hands of a living man (l), by virtue of certain mysterious rays emanating from that tube which, according to the old algebraic symbol for an unknown quantity, he called x-rays. Thursday, March B, 1930 I showed this to some of my con- freres and we laughed ourselves near- ly sick over the foolishness of the sap- headed Europeans. Within six months I saw the bones of my own hand by the x-rays! Since then I have been careful how I laugh at new ideas. First Uses At first the only practical use for these rays (often called by the name of their discoverer) was to diagnose and study broken bones and to assist in setting them. Some people still think of the x-rnys solely in that con- nection. But the strides that have been made in roenurenolotty (the sci- ence of x-rays) during the past ten or fifteen years have been so enorm- March 6 - Deerfield-Shields high school P. T. A, meeting postponed to March 20. _ March 6-7, 8:00 p. m.--The Pres- byterian church guild plays at Elm Place auditorium. 'March 11, 9-12 am. - French classes. H. P. Wcman's club. March 11, l2:30 p.m. - Buffet luncheon and bridge. Ossoli club. March 12, 10:30 Ir.m. Glass and Pewter" Mrs Evans. Ossnli club. CIVIC CALENDAR Sponsored by The Ono“ Club in chug. of Mrs. Konrad Schreier Tel. H. P. 862 T X-RAY EQUIPMENT AT HIGHLAND PARK HOSPITAL - "Early Robert J. cos that one becomes mentolly breath. less trying to keep up with them. The early tubes required tive min- utes or more ttrphotograph the bones of the hand; while the modern giants will take a picture through the body of a stout man in I fraction of I second. and can be so delicately ud- justod as to show the internal struc- ture of a rose-bud, in full detail. The use, of intensifying screens and an apparatus culled the Buckey dia- phragm have made many almost un- believable things possible. The discovery that certain metlllic salts, in powders or solutions, are opaque to the x-rays, opened a whole new field for their use. The study of t the bones was a ttrent help to the physicians; but now we are Iblo to see and photograph the outlines of any hollow organ in the body which has an opening on the outside or out safely he reached by a hypodermic needle. This is done by filling the organ with a paste or solution of one of these 'opaque metallic saltrr- barium sulphate, potassium iodine or bromine in solution. bromine or io. dine dissolved in certain oils, etc,-- and then making a roenttrettorrattt (x-ray photograph). . Scope Greatly Widened) In this way we can now study, not March 13, 2:30 p.m. - D. A. R. meeting. Mrs. Warren Dahley. hos- tess address "The Romance of Twins" Mr. Abram Mendenhall. March 14, 6:30 p. rm-Presbyterian Men's Fellowship club dinner. Mrs. C. Edward Thorney, of the Public Utility company will speak on "The Development of Metropo1iuo Chi- e3tro--fillustrated). March 18, 2:00 pm. - Highlund Park Woman's club business meeting and program. q Mann lil, If) and 20 - D, A. R. State cunferl'nce. Stevens hotel, Chi- can March 19, ‘10 3.111. - Community Garden Study elass--Hitrhlnnd Plrk Woman's club, THE it: related Itructureu; the lmlde or the kidney; the bronchi-l tubes; the sinuses connecting with the non; end many other organs, even including the outlines of the binin. This loot is done by injecting " into the spinal and through I long needle, and then photo- grlphing the outline of the bubble when it has risen to the interior of the skull Thie all sounds very wonderful, and one might imagine that one would have to go to some great medical cen- ter of world-famous clinic in order to obtain the benefits of each studies an I have unscented. _ Not tro'. All these startling thing- can be done right here in our own Highland Park hospital for they have as tine an x-ray department " one were part of the furniture of every well-regulated parlor table when We will find in a long dny'l Journey. Five rooms, in the basement, ere fitted up with all the most modern apparatus - the f1uoroseope, with which one can watch a man swallow- ine a meal of barium in buttermilk and see it so splash into his Mom. ech; a fine, mechanicll table, which .seemn almost intelligent" in " ad- Women Voter, meeting Highland Park Presbyterian church. March 20, 3:00 p. tm--DeerfUid. Shi a high school P. T. A. meeting. inch M, 2:30 p. m.-"PFablett" Personality" Mrs. Anne Rogers Ossoli club. A April 1, 2:36 p. m. - m P. Worm art's club. America in a World Neigh- borhood. R. C. Plttilon Kline. FGgiiiiiitiiie match; . April 2, 2:00 p. m.--Lineoln Ichool Chm“ In] I m. M. tgt P. T. A. card party. whool. April 8, 3:00 p. m. - Deerfield- ----- Shields high school P. T. A. meeting. Another [Mm that sprint m1 April ll, 2230 p. m.--Opsoli club be " very In "my in that the buo- clrd party. Prizes mounted by the ball comma“, In treglnnittg to amp board. Miabthlportiumolth April 10, 2:80 p. m.--D, A. R. and» city mum March 19, l2 ue digestive tact through th 30 p. nt.--kitue of meeting Highland the the inside and it W""'", STUDENT MAKES I MILITARY RIFLE SQUAD X-Iu u [use And then an lots of other why. besides. Why, even I - who II too lick to be moved can have an x-ny picture taken right In his bed, for they have n small machine which can euily be moved whenever they WIDE it. But the taking of rectum!!!“ (nice word, in" it!) la only I at“ mull part of I job like this. It WI I tmined grtertutmtotetqint - that'- what the highbrow“ cl" In 1-", ex- pert-to tell tht the, thing: meIn after they m mule. And In luv. that, too'. Dr. Sheldon know/I " job that-unduly, Ind than who so to our uolpiul receive II good 14‘" m In they an get anywhere. 'Go over to the hospital Ind “he I look It then MMIrkale tssnettitter- and maybe the doctor will give you never believe what is actually done in this line until you Cadet Charla Shale. former Dior- fu1dalhietd. student, In: made the unity ritte (“In " Culver 'Eititar, undemy. no will compo“ in the 1000 championship mum. . yourself. in. Mrs. Henry W Muliclle; and any. I peek It name of his pictum. You'll Boyd, Ito-Mu treirte it for ll