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ofing, gutâ€" ;, ete. We »ther sheet NY and f e can ervice IR 2012 r&n, 19 T 18 requireâ€" 25 Aild "The investigations were undertakâ€" en soon after Marconi began his studâ€" ies of wireless telegraphy in 1895." Calvert said. "It was forseen that this form of communication présentâ€" The weather bureau was the pioâ€" neer of all agencies of the United States .government in development and experiments with radio, accordâ€" ing to E. B. Calvert, meteorologist in charge of the forecasting room. Meteorologyâ€"fi business of weaâ€" ther forecastingâ€"eventually will apâ€" proach an exact scieneb? in which conâ€" ditions for weeks, evern months in adâ€" vance may be predidted with eomâ€" parative certainty, This is the belief of experts of the United‘ States Weather bureau, who point out that the progress of meteorâ€" ology in the future depends upon the development of radio communication. Meteorological Experts Believéj Time Coming When Condiâ€" tions Can Be Foretold : l Weeks in Advance â€" â€" NEARING EXACT SCIENCE RADIO AIDING IN f WEATHER FORECAST the Breast Veal with pocket the ID. .......~@â€"s«:« mibelersthee Front Leg Veal Roast SJHBEE _ PEE : â€"ysecacncrecccnrnrncnncinccen. _ Ne Wt ::tmlthh:".., 22§c L i. _ _Adke rve Aimibfskaineâ€"mee t / 2. Fresh Lean Beef for 7 c dOZ 1000, TD. ....somvecs ienommainglane e en se i. zz_}c in 2 m:::., 2 10%. 168 ... 79¢ Flank Steak M M ++oneietcrrcarcctontaatinys Homeâ€"made Sausage Meat, lb. We ie rammnrienieares Blue Ribbon Dressing Fresh Cottage Cheese Lamb Patties Rib Veal Chops es in innt Pork Loin Roast C M . sse0enerraagerns. Rump Corn Beef SBQG Ms: +ss isrenctttrens Leg Spring Lamb Tw# TB .:â€".:.... :2‘ Friday and Saturday Specials . February 20th and 21st THURSDAY, FEBRUARY 19, 1925 Phones Highland Park 1677â€"1678 GREENING APPLES, the bushel $3.35 Basket Ball District Tournament Season Tickets $3.00. Season TickfetS Guaranteed Admission Thursdayâ€" Afternoon at 3:00, Evening at 7:00 Admissionâ€" Afternoon 50¢, Evening 75¢ FREE TK4 4 . aode . a9C .. 80c 22%c 18%c yÂ¥ 2. iC 22%c 22%c¢ .. 28¢ 374%¢ _32¢ _ 18¢ .65¢ .35¢ . 25¢ .65¢ . 35¢ 18¢ 15¢ 25¢ cpporinatadada it abelt tw * | 24 North First Street, Highland Park, ] DELIVERY SERVICE TO RAVINIA, HIGHLAND PARK, HIGHWOOD AND FORT SHERIDAN RAPP er" may originate without the knowlâ€" edge of the various nations of "the world. _A few stations already dot the Ameri¢can far north, in Alaska, the Hudson Bay region of Canada, and on the islands off the coast, such as Greenland and Iceland. In Northern Europe a few stations daily flash weather conditions southâ€" ward to be relayed around the world. Little is kn#wn of the Northern Siâ€" There are now millions of unchartâ€" ed square miles out beyond the jurâ€" isdiction of civilization where "weathâ€" Accurate long forecasting > will never be possible until the entire northern hemisphere is dotted with radio stations, according to Calvert; and even then, he pointed out, it is questionable to what degree of acâ€" curacy predictions may be made over thirtyâ€"six hours in advance. Mixed Nuts Cranberries Butter Flake Crackers Snider‘s Rosebud Beets the glaÂ¥# JE | ....~..*~«.~coummincs Snider‘s Tiny Green Beans the §1#88 JBE ;..........â€"\coomcroxd Snider‘s Strawberries the glass jar ....................... Lady Fingers the dORBON; ... :. .. i. ... :+ </smaathes Queen Olives. "Radio has been utilized continuâ€" ously by the weather bureau for more than twenty years, and it now plays a large and indispensable part in the bureau‘s activities." _ » ogy in securing current weather inâ€" formation from inaccessible places and from ships, the providing of storm warnings to vessels at sea, and supplementing _ or replacing J the weather bureau‘ system of collecting weather reports by . telegraph and cable. Large Navel Oranges She TOHR: ..:coon e evelsritienssss Eating Apples * 1IDt. 10F :....;:..... .A« ... Cooking Apples â€"| #1be, for ...................... Strained Honey * ed a field of opportunity in meteorol Pop Corn Bananas e the. for ....................... Med. Grape Fruit / J AOK +srrsiecevererinibrirtente rvine Sweet Florida Oranges the doz. ....... SBhoulder Veal Roast | 0 o : A proomamdvamie oo td Best Elgin Creamery the lb. ... Fresh Lake Superior White Fish, lb. ........ Fresh Lake Trout Ske: ID, ...sâ€"Â¥;:â€"â€"â€"..««isc....., Fresh Perch Fresh Halibut Steak Salmon Steak BC Radio is Used ... 00G We 4.2, uns e lones e ies aotp@ ie on e .. 433C «. .. 99€ _ 48c .. d _â€"â€"65¢ ... 49¢ . 45¢ .. 45¢ ... 40¢ ... 40¢ . 19%c . 4A2%c .. de M 4.4. . ege _.39¢ on American Cheese, Sand Orange Marmalade Sweetheart Spinach,; No. 3 can K Cl . 5. s.1.ci iss o m t ts Strictly Fresh Eggs 2 doz. SiyrcentriGerptontep is Calf Sweetbreads 114 Ih«.:.::....c__ SE Milwaukee Frankfurts 5 A0G. %...2; en ernnnoomnlnerorie Sliced Bacon 9 Ihs, .:..;...}. ... .ns 5 Ibs MJ TDR. *‘=»}> Sz rary reee on Aeior on uen roe vavnge en e Bug Elgin Creamery Butter 1 % (Ths, ......:c. i ns insl it ame "The first radiogram received by the Weather bureau containing a weather observation taken on a ship in the Atlantic was from the S. S. New York on December 3, 1905," Calâ€" Shoulder Veal Roast Good Luck Margarine That is the weather bureau‘s ; daily problem. |,â€" * ie o f To forecast the weather th¢ burâ€" reau‘s experts must know the ‘habits of these irregularities; how the torâ€" nado usually conducts itself; in which direction the eyclone will go ‘and whether the Montana blizzard will be neutralized in the midâ€"West by the warnr winds from the Gulf stream. § 18. };... :sccd Loin Veal Chops P MB+ 11+.eieefaverainss. Rib Lamb Chops 2 1NB. ‘..... :.z 0000c Boneless Beef Stew Pork Loin Boneless Rump Corn Beef Flank Steak 4. Xb§. "....,: Pot Roast 5 Ib§. ......... Plate Corn Beef 10 1be.:..;....«........ A glance at the daily map ‘in the weather bureau discloses a widely varied set of conditions in even the limited charted areas. â€" A tornado may originate on the southern coast of the United States; a cyclone in Kansas; a blizzard in Monupa; a warm wave throughodt the midâ€"Atâ€" lantic sections as well as a cold wave may sweep down from Greenland. Round Steak $ ibes. 2. ... Sirloin Steak 2Ye IDs.: ::....l..0y.. Porterhouse Steak 2 Ibe.>....:.:s.c0co @40 [lgllar Day Wednesday, F ebruary 25’ 1925 berian wastes and of the zrutglpueu between . the northern bord:rl of America, Europe, Asia and the polar regions. â€" ; Rogar t3# Fridayâ€" Aftemoolzn at 2:00, Evening at 7:00 Admissionâ€"Afternoon 50c, Evening 75¢ THE HIGHLAND PARK PRESS, HIGHLAND PARK, ILLINOIS "SWEETHEART BRAND OF PURE FOODS®" $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 ‘POTATOES, 63 lbs. $1.00 Apple Butter Pompeian Olive Oil ies erhanh tm 0 C .: o1o, Ne +rcnstiensanca Fancy Prunes : Yellow Cling Peaches 4: CBMS _ ..2)2.000 0e ssness Gnnaness Select Early June Peas Blue Diamond Extra Tiny Sifted Peas, 3 cans â€"_......_.. Little Green Peas > CE CE _ :.o\ conennsocrvenennmetcty Sweetheart Chili Sauce 3 DObEIOE . .+. .n235ccee n rdeitne+s. Sweetheart Catsup 5 botte® ::...2.:....â€"2ccccke d Sweetheart Golden Bantam Yellow Cling Peaches Apricots Pork and Beans 10 cans ..::::.:*.;.:: Woodcock Egg Noodles Ripe Olives . . Red X Macaroni and Spaâ€" ghetti, 12 pkgs: ...........:....... Ripe Olives, Giant Size 0 ) OBE | s.50000especreminin inivein ervegateeves Fancy Red Salmon, Ib. can Good: Luck Milk j 12 latge cans ...:................... Fancy Pink Salmon, 1b. éan Early June Peas 8 CBIHE :s nc erreedncccny Fancy Sugar Corn B ~CBIB . s erneverans th eaile Fancy Tomatoes Folks at the winter resorts reportâ€" ed bathing in the warm sunshine, but they should also take a bath in real water at least once a week. It costs money to joint most organâ€" izations, but you get a dividend when you unite with the Trade at Home Club of this city. ; "The crying need of meteorology is more information from ships and from inaccessible places, and espeâ€" cially from the areas in and about the polar ‘regions." "It is apparent that meteorology will advance hand in hand with raâ€" div," Calvert declared. "There must be â€"a close, undisturbed contact beâ€" tween the ‘agencies engaged in meâ€" teorological and radio activities. vert said. "In 1906 the vessel weather service was established as a distinct project.. The â€"masters of about fifty vessels agreed to take observations daily and forward them by radio to Washington. At the present ©time practically all ships on the high seas make daily observations and forward them to the Weather bureau. €5 .__â€"â€", . Canada Will Aid § "Arrangements are being made by. the Canadian government to establish radio stations in the Mackenzie river region primarily for the purpose of obtaining _ meteorological . reports. These will be made available to the United States Weather bureau. $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 8 Sweet Mixed Pickles Bantam Corn > 4 glass jars for ... Grape Fruit | Oranges: Bright‘s Spaghetti Con Sweet Potatoes 3 cans fur. ...:â€".:s \.: 2~ Royal Ann Cherries 3 cuns for .................. Pumpkin, No. 3 can New Comb Honey & ROF s i1222 s taltee‘s 4 cans .......... Black Berries Red Pitted Cherries Hominy, No. 3 can ©â€" 4 California Ripe Olives NE OUTHE > +101 2. .. on emeann ineteniveneitaciid Old Pacific Sliced Pineapple Fancy. Pears, No. 2 can King‘s Choice Sliced Peaches @ cans :;..1;....,.. 00 00Lz en L C CANB ..)..omssasnannnee s $. H. Kidney Beans 5. H. Tomatoes, No. 3 can 4 ‘1De,.. ... c C 8. H. Fruit Salad Good Coffee Cooking Apples 14 lbs. for ... .. Saturdayâ€"Afternoon at 2:30, Evening at 8:00 Admissionâ€"Afterncon 75¢, Evening 75¢ dered transmission. The results are obtained, Dr. Stewâ€" art explains, not by placing, obstrucâ€" tions in the path of sound, bti by setâ€" ting up a sort of battle between the various waves, thus causing a disorâ€" Calls It "Acoustic Wave Filter" With the theory that sound waves would expand themselves were they placed in conflict with one another, Dr. Stewart worked out his device, which he calls an "acoustic filter." ‘The establishment of quiet zones | regular intervals, branching tubes and for hospitals and the requirement of| chambers. ‘At each "flw mufflers for ;utomobilutaptifytotho waves _ are â€" reflected xd penetrating nature of sound waves, through the tube. The design of the They will pass, Dr. Stewart says. bnncheccanbemadohndu-q- through the most minute crack, and ner as to produce a backward reflecâ€" even through an apparently solid tion and an interference of almost Wall.: :: * . any group of tones." By causing successive waves of sound to interfere with each other‘s transmission, D,‘G. W. Stewart, a professor of physics at the University of lowa, has perfected a device which he believes in time may be used to eliminate undesirable noises and to adjust sounds "to anâ€" individual‘s aesthetic taste." INVENTS METHOD TO DEADEN SOUND Possibility It Can Be Eliminâ€" ated Altogether By Theâ€" New Device 3 . Grated Pineapple tiep $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 to All Games $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 $1 Brick Cheese, Ib, ......___ Lenfesty‘s Flour, 5â€"Ib. sa Shoulder Lamb Chops, 1b Boneless Beef Etew, Ib. . Wet Shrimp, 4 cans .._ Sweetheart Catsup, bot. Red Salmon, Ige. can _ Shredded Wheat, pkg. ..._.____13¢ Quaker Oats, pkg. oorin‘scinries in on S M Puffed Wheat, pkg. ......__13¢ Cabbage, the 1b. n nnnhnctecn on ism oi ie Native Pot Roast, lb. seomo T@rg@h Miller & Hart Bacon, § lbs. â€"_BL Yellow Corn Meal, 1 pkg. â€"11¢ Flour, all brands, 1â€"8 bbi. £1.43 Plate Corn Beet, ib. __.â€"© â€" h+ Dry Onions, 8 lbs. for Frankfurts; 1b. .._.__. TUESDAY SPECIALS > FEBRUARY 24 _ HE Cane Gran. Sugar 10 Ibs. T3¢ Fould‘s Macaroni, 3 pkgs. ._25¢ Fould‘s Spaghetti, 3 pkgs. .. 25¢ Cooking Apples, $ lbs, .......25¢ Fresh Spareribs, lb. ._____ 18@ Am. Fam. Soap Chips, 4 for Q8¢ Argo Starch, 10 pkgs. ___9%4 MONDAY SPECIALS FEBRUARY 23 Am. Fam. Soap, 10 bars ._59¢ Lge. Ivory Soap, 10 bars $1.09 Fels Naptha Soap, 12 bars â€"~~98¢ Lux, 10 pkgs. ... 908¢ BO8, 4 pkgs. ........._.......... BA Ivory Soap Chips, 10 for THURSDAY SPECIALS FEBRUARY 26 Dr, Stewart explained that he conâ€" sidered the device truly a filter. It is a new basic method of i ing sound waves and may find & & cation in many acoustic devieu}p use today. | Would: be interesting to start popularity contest between the tiest girl and the one who can the best pie.: Only one guess as who would win. . A brass cylinder tube oneshaif inch indiamcurcodsixheh:muh. taining nothing but air and open at both ends, is caused to transmit all tones of a piano up to a certain note and above this to transmit no sound. _ With another M;@ different :::e,tlp mwwb. same, or other note, . er tones pass freely. ‘ [ May Be "Selective" in Its Operation "Other equally remarkable results ofaaimilumtummboubhhd," said Dr. Stewart in explaining his deâ€" vice. "The tubes, while entirely open and free from obstructions, have at regular intervals, branching tubes and chambers. _ At each branching joint PAGE THIRTEEN 5¢ 1® §4 F4