Indianapolis Times, Indianapolis, Marion County, 24 November 1950 — Page 2

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- System Used to Guide Aircraft Urged by Scientist

By Science Service

"LOS ANGELES, . Nov. 24 ee

Short-wave radio in automobiles may eliminate traffic jams of the future. Combine the radios with loud-speakers. posted at intersections to provide audible signals, - such as those that now guide airplane pilots, and traffic jams will be a thing of the past. This is the prediction made here by Dr. Theodore W. Forbes associate professor of psychology and engineering at the University of California at L.os Angeles. 7

lieve the overtaxed eyes of airplane pilots, performed by Dr. Forbes at Harvard Universit} . led him to this conclusion. Beginning with the work di ne ‘by Admiral Luis de Florez in 1938, in which it was shown that .a pilot could fly a plane blindfolded with only two instrument indications given through his earphones, Dr. Forbes and collaborators studied the possibilities of converting the visual needle-ball-airspeed system into an audio system. 7 hey experimented with tones,

radio and interphone eommunica- | tion. The most successful signal was a three-in-one indication for turn, | bank and airspeed which gave (1) a repetitive, sweeping type of motion of the signal from left to right, -)2) apparent “tilt” produced by pitch variations and (3) a “putt” sound that could be associated with the sound of the plane's engine. “Similar early warnings and in-

ists in complex traffic situations through their auditory sense’ pointed out Dr. Forbes. “In addition to bigger signs, very short wave radio or loud speakers at highway junctions—such as have already been used by traffic po-| lice in some‘ cities—could .be used.” { Whether or not the audio-signal system for motorists would eliminate the back seat driver, Dr.

guess.

~ local Men Killed in Korea

19 Hoosiers Are on New Casualty List

Two Indianapolis men were killed in Korea and another wounded, according to a Defense Department casualty lis! released today. A total of 19

KILLED IN ACTION Pfc. Richa:d Stafford, son of Mrs. Dorothy Staftord, 412 KE. 10th St. Cpl. Robert J. Smith, husband of Mrs. Rose Anna Smith, 539 8 . Illinois St. Pfc. Herbert V. Mc Ree han, son of Mrs. Ethel McKeehan. South Bend. (Previously reported missing in action.) Pvt. Joe A. Olinger, son of Mrs. Ethel A. Olinger. North Manchester. (Previousiy reported missing in action.) Pvt. Jack Db. Conrad, son of Fred William Conrad. Muncie, Pfe. Virgil F. Pinkston, son of Delbert Pinkston, Evansville. WOUNDED IN ACTION

Pfe. Charles E. Elam, (Marines), son of Mr, and Mrs, BenJamin F. Elam, Knox. * Cpl. Paul Holota, (Marines), gon of Mr. and Mrs. Paul Holota, Hobart. Pvt. Edward A. Jarvis, son of . Mr. and Mrs, John H. Jarvis, RR 1, Box 512. 3 Pvt. Salvatore. Belecastro, husband of Mrs. Barbara 1. Belcas-

Research to find ways to re-.

pitch and “chopped” signals—dis-| covering that as many as four’ audio Indications can be followed | without interfering with ordinary |

formation could be given motor-|

Forbes wowld not venture a

ren HOORILE 420. 00. ANE EL oncicrssm car everpess

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Wilma Myler, West Fork: 3 Cpl. Chester I. Stout Jr, son of Mrs. Louise Stout, Terre Haute, MISSING IN ACTION ~~ Cpl. John E. Weaver, son of ns. May Weaver, Kokomo. : JPfe. William M. Beyl, ward of Ty Mary Pace, Charlestown, . Sgt. Michael C. Cornwel], son of Mraz. Katherine Offut, Nablesville, Pvt. Harold 1. Davis, son of re. Framess 1. Davis, Greens-

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Glenn FE. Stotts, son of nas Botts, Cary, I Bafford was killed Nov. B than a week after he wrote last lstier to his mother. He about rumors of replaceand about coming hofne Christmas, Wounded July -28 he spent about a month in a hospital In Japan before being returned to duty.

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Pte. Stafford, enlisting in the Army in December, 184% spent! two years In Japan before being sent to Korea in July. He served: in the 27th Regiment of the 25th Infantry Division. Pvt. Jarvis is in a Tokyo hos- ° pital recovering from a bullet wound in the left thigh. He wrote his mother last week that he was able to walk around on crutches.’ “Wounded . when the Fitst

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