Radio mirror (Jan-Oct 1923)

Cao^W "How" of the Flivver Super— by E. T. Flewelling Rddio Digest EVERY BEB. U. 8. PAT. OFF. Vol. IV Copyright, 1923 R. D. P. Co. Inc. CHICAGO, ILL., SATURDAY, MARCH 3, 1923 No. 8 FOIL TRAIN CRASH PERIL WAVES BRING ENDANGERED CARS TO HALT New German Invention Ends Travelers' Fear of Death at Throttle U. S. May Adopt Device William Dubilier Brings Remarkable "Look Out" Control System to America (Bit Evelyn Lanzius, Special Correspondent) NEW TOEK.— Death at the throttle will no longer be a worry or fear for the railroad traveling public if the German Eadio train control invention just brought into this country by William Dubilier is applied to the steam and electric railways. When the device is in use it is claimed train wrecks will be at a minimum. Even though the engineer BOSTON" BROADCASTS SECOND GRAND OPERA BOSTON, MASS.— In recognition of the enthusiastic response of the Radio audience to the broadcast of "Aida," as sung by the Chicago Civic Opera Company, WNAC (the Shepard Stores) gave a broadcast of "The Jewels of Madonna," by the same company, February 3, at 7:50 P. M. This was to stimulate invisible listeners to the cultural benefit of grand opera. should fall dead or helpless at the throttle, the speeding steed of steel will be stopped automatically by ether waves. Mr. Dubilier is president of the Dubilier Condenser and Eadio Corporation and has j-tst retiirnijd from a Jfrip abroad. The device, one of the most remarkable of its kind, is of German design an* orig Columbus Radio Forces Band for Good of Fans Set Hours for Silence, Broadcasting, Sparks, and Testing COLUMBUS, O. — Columbus' Radio forces are now banded together for the good of all fans in the city. Station WEAO, Ohio State university, represented by Prof. Roy A. Brown, of the department of electrical engineering, is now a party to the agreement which was signed by the Columbus Radio club, two members of the rank and file of listeners and members of the mayor's committee and the three other broadcasting stations in the city. This agreement definitely fixes the quiet hours, from 7 to 10 P. M., on all nightsexcept Saturday. Co^.tmbus broadcasting stations agree to transmit their evening programs between 7 and 9 P. M., all spark, continuous wave and ama 5,7i%?*8$ Miss Edna Geertsen makes many "hits" every time she hammers the xylophone at the studio of KDYL, The Salt Lake (Utah) Telegram, if one is to judge from the number of letters received after each one of her appearances there. She is a member of the KDYL Marconi Opera orchestra wmmmmm7rmmmmw?mz ination. The United States Railroad Commission required the use I of some form of automatic control 'I only a short time ago, and this instrument promises to fill the requirements and even surpass the fondest dreams of present day ■•-•> inventors. Stands Tests in Europe The system of train control by Radio has been in successful operation in some of the European countries and has met every claim of the inventors. The new invention requires no apparatus placed along the tracks, the entire apparatus being placed within the cab of the locomotive and is directly connected with the usual air brake mechanism now in use. (Continued on page 2) teur Radiophone sets will refrain from transmitting during the period of the quiet hours, and all testing of apparatus must be done between 6 A. M. and 5 P. M. The new regulations go into the Radio rules of Columbus along with the break-in rules formulated last spring. Both will be combined in pamphlet form by the Columbus Dispatch for distribution by the Radio club to all persons interested. The complete code, which has been recognized more or less by all parties for a year and now is given full sanction, is. to be known as "The Columbus Plan," according to President Fred W. Redding, of the Columbus Radio club. It is believed that Columbus, at the time the decision was made, was the only city of its size Exactly 942 letters commented favorably on the singing of sevenyear-old Clarabelle McDonald of Bellefountaine, Ohio, after she had appeared recently at the studio of Station WLW, the Crosley Manufacturing Company, Cincinnati in the country where all forces were combined to such an extent. Radio Positions Open NEW ORLEANS, LA. — Examinations will be held here, May 1, at the New Orleans customhouse, to fill the positions of Radio Engineer, Assistant Radio Engineer and Associate Radio Engineer. The positions are with the government and pay from $2,000 to $5,000 a year. THREE FROM FAMILY BROADCAST AT WBAV COLUMBUS, O. — A unique program was broadcast from Station WBAV, of the Earl and Hopkins Company here, when three members of one family were on the same bill. Thomas J. Enright, baritone, and his two sisters, Mary, violinist, and Mildred, pianist, made up the trio. 'Walter R. Jones, who is well known in the vocal music world, was also on the program.