Evening Star Newspaper, February 2, 1930, Page 29

DEFENSE BY RADID BEING PERFECTED Bureau of Sténdards Works , -on “Ignition Harness’ to Halt Motors. An “ignition harness” Is being de- weloped at the Bureau of Standards, in co-operation with several commercial ignition concerns, which promises to destroy the substance of some of the wierdest dreams of those who picture future wars. It is the culmination of work which started when the radio range beacon was introduced as an aid to flying and seeks to prevent interference with re- ception and transmission of signals. It is a case of developing the de- fense before the weapon. ‘Everybody knows that somewhere in Prance sometime during the World War all motor vehicles over a considerable area suddenly stopped running, and that this was due to the effect of radio ‘waves on their ignition systems. Fact or Fable? ‘This was one of the most widespread ‘of war stories. But nobody knows just ‘where or when it happened and Bureau of Standards physicists, in the absence of more specific reports, are inclined to regard it as just another legend built up on a far-fetched possibility. But they are not prepared to deny absolutely that it did happen nor that it could happen some day. Now either an attacking or defending army is largely dependent on motors in tanks, airplanes, trucks, artillery cdissons and cars. So if this happened, and the method could be extended indefinitely, the picture of future wars fought by invisible legions of minute ether vibrations perfectly disciplined to respomd to the twist of a <dial might not be so far-fetched. So far as the bare theoretrical possibilities are concerned, it may be justifiable to pitture a lone figure in a bombproof laboratory in a beleaguered city bend- g over a radio transmitting set and detecting missing motor to tell him his work had succeeded. 4f such a device could be perfected $t-would be one of the most effective fipma of modern warfare. Tanks, nless shielded, might be left stranded and destroyed at leisure by Protective zones could be observation balloons and airplanes into fire. | and transmitting stations interfere with each other when they happen to have the same frequencies, For, physicists explain, every ignition system is really a modified sending station and can be thrown out of kilter by any other send- ing station which happens to be “broad- " at the same frequency near enough and with sufficient power. The difficulty in developing sucl of attack or defense would be that every such_“broadcasting” system [ ferent frequency, and in order to stop all the motors in a given area it would necessary to send out all the fre- quencies within the range of ignition systems and with sufficient power to reach them. The latter item would be enormous, even for a very limited area, and when it came to protecting the frontier of a country probably would pass beyond all practical limits. But what is not impossible might be. come entirely p?ssible whex:d t.‘::e uity of & people was spurr Y War. fl lzl might be defended by great numbers of powerful stations ready to field at a moment’s notice. The fre- quency range necessary probably would not prove an insuperable difficulty. The entire possible range of ignition systems has been calculated and it does not ex- tend very far. ‘The actual principle, says Peters, was known to the German physicist, Hein. rich Hertz, discoverer of radio waves, late in the last century. Hertz was able to make a spark jump over a gap in a coil from some distance. But he went no further with it, although it is entirely possible that German physicists ‘were experimenting with the principle during the war and may have made considerable progress. ‘Whether it is practical or not, even on a small scale. remains in doubt al- hysic that he actually has known of an ai ped by this method at a tance of one kilometer. When the igni- tion laboratory was first established the Bureau of Standards started to set up :‘?i:ntus to determine if this was pos- ‘The ignition laboratory staff has set up tion harness” devices originating in industry and has developed one of its own to be used as a standard and to bring out the principles involved. Radio Defense Under Test. ‘This_prevents electro-magnetic ‘waves be! ndhte‘?i’ outside the shield grounds them all to the Protected with this device, airp ition systems would be effectually which no enemy craft could enter. The Wy motor on 1 to the front could be piled into an inextricable Jam. Whether it would ‘work or not nobody knows, because nobody, so far as the Bureau of Standards knows, ever scale—unless But there will not be much incentive ciple. the| If the strange World War truth, Bureau shielded from electro-magnetic inter- ference from outside and the far-reach- ing possibili ‘be nullified. Meanwhile various commercial labora- tories are working on the same prin- legend had s basis of of Standards physicists believe, the motors must We Feature American Radiator Co. Products GENTRAL BIEAIING 901-10% St. N.W. You Can’t Go Wrong —when you invest in an American Radiator hot-water plant. Many of the country’s finest homes and largest buildings use American Radiator Co, plants. 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In less than a Miller’s Herb Extract I began to im- [all the time. Scme said mg neuralgia, but I think now t! week after I started usin prove and to my great relief the ing. he old pains and aches passed 'way than I had for years. using this medicine Herb Juice), and is the largest where it is known. A representative for this medicine is now at the Peoples Drug Store, 505 7th St. N.W, Store, 727 King St., Alexandria, | the hundreds that call. It was not long until I began to go in town and it was a wonderful feeling to be able to get up and dress without any one’s help. I continued to grow stronger, bowels moved regularly, all 1 was 67 my last birthday and since have worked steadily for a month, I think is remarkable as I had just about given up. lot more in praise for this medicine and will be gl: further questions regarding the wonderful relief it has given me.” | This great medicine is an herbal preparation (formerly called For a Year, He Says Mr. William D. Moore, well- known contractor, 2635 12th St. N.E, Washington (telephone De- catur 2436), says in a signed statement which he gave vol- untarily a short time ago: “I want to add my testimony to the hundreds of others in regard-to the wonderful medicine Miller’s Herb Extract (formerly called Herb Juice). Two 'years ago, the fifth of next February, I was taken ill and was practically 1 was unable to do a thing and then it was an effort as my arms, & weapon | the throw their invisible armies into the | distan effect of this medicine was last- away and I felt better in every , which I can say answer al selling medicine on' the market also Peoples Service Va., explain this medicine to i SUNDAY _STAR, WASHINGTON, D. C., FEBRUARY 2, :n been stopped by electro-magnetic This would knock out all the ignition within te effec- T o b e wooks 00 ® 10k probably of other things, so that everybody for miles around wo:l.ia know that Somie- thing very “queer” had happened. What might, happen with the powerful elec- currents moving unrestrained in directions baffles the : the whole, it is believed that it couldn’t have happened, even e from the practical possibilities, without causing a great deal more excitement than has been reported. Although the ignition harness devel- the most picturesque Work 's radio ignition m-m:;‘ which promise re- importance to airplane and automobile indus- tries. Until now ignition largely has been taken for granted by engineers. Just what happens inside an engine 'k occurs is generally un- derstood, but there are many features of the phenomenon of which science has little experimental knowledge. 80 the staff of the ignition labora- tory is setting up complicated appara- tus for detecting the volume of gases which combine per spark as the char- acter of the spark is changed. The tomobile tl:El'k plug really is not such simple g after all. Among the mflu be{n: tried out is fi;lt of & spark through a mixture t00 lean 0 burn, stretching out the ce through which the spark moves and changing the nature of the spark and the nature of the medium to find out what actually happens. Queer Accidents Explained. It is all calculated to bring about safer and more reliable motors and to explain some of the “queer” things that now pen—as when an airplane motor goes dead suddenly for no known reason, and a moment or so later is all right again. But it may be too late for the pilot caught unawares. Possibly the ignition system is knock- ed out temporarily by some outside in. terference with its “broadcasting Yangtse Campaign Medals to Be Given Sailors and Marines Acting Secretary Jahncke has suthorized the issuance of the angtze campaign medal,” the Navy Department announces, to commemorate the services re- cently rendered by the naval orves e the valley o the ver in by pro- tection of American lives and Pproperty, The medal will be distinctive in design, naval officials said, and Will be issued to officers and en- listed men of the Navy and Ma- Corps who served at Shang- hal and in the Yangtze Valley between September 3, 1926, and October 21, 1927. Naval records show that on March 23-24, 1927, occurred the attack by ‘Chinese uniformed Natlonalist soldiers on the for- eignerr in the American, British and Japanese consulates at Nan- king. A small landing force from the U. 8. S. Noa and the U. 8. S. Willlam B. Preston was among these foreigners, the detachment having been put ashore to protect the Hmflcan mnfmflummd ald com lcatio) sl an- chored tver i in the river. tem,” as from a transmitting set. This g:&blbly :vcu}d be overcomelby the td;- eni e umg:‘ ml_:u;uch a device as Latin Alphabet Troublesome. ISTANBUL, February 1 (#).—Some ‘Turks are having a hard time with the compulsory new Latin alphabet. Fifteen per cent of the letters from the interior are so illegible they are sent to the dead letter office. Only the Latin alpha- bet may appear on envelopes though Arabic inside is not unlawf 1 930—PART ONE. [LAST OF SAN JUAN INDIAN TRIBE Secrets By the Associated Press. SAN FRANCISCO, February 1.—The last full-blooded member of the San Juan tribe of California Indians, Mrs. Ascencion Solorsano de Cervantes, aged 100 or more, will be buried todsy by the Maryknoll fathers at the historic Mission of San Juan Bautista. Death withheld his enough to permit Prof. ton of the Smithsonian Institution, ‘Washington, to visit the aged woman recently, learn her language and piece together, bit by bit from what she tol him, the story of the ancient language, customs and religion of her tribe—in- formation previously hidden to scholars of the world and generally considered lost. Because of the fidelity of the San Juan Indians to Catholicism, the Mary- knoll fathers will give the last member of the tribe a funeral with all pomp and ritual of the church. Prof. Harrington learned that the language of the San Juans, who called themselves the Ama tribe in the old days, was made up by a gombination of the sounds of five vowels and five consonants. _The trnlge B:unhlped FOOD FOR THE SICK Chi b3 gels. roth, table purees, gela- Toh fresh frult Juloes, baked eetened or sweetened with riu; its ufins, wl uns! Night Service. 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Bayer Aspirin can be taken freely without harm. Get the genuine tablets with the Bayer cross. BAYER ASPIRIN Aspirin is the trade mark of Bayer Manufacture of Monoaceticacidester of Salicylicacid scythe long J. P. Harring-never interfered. TO BE GIVEN FUNERAL OF POMP Squaw, 100 or More Years Old, Recently Revealed Many of Race. ‘were peaceful, having no tomahawks or instruments of war, but had bhows .:4 arrows, spears and hunting knives. They had family feuds, however, which raged for generations. ‘They went unclothed. Fathers gave their daughters in marriage, but once m the women had an equal foot- ing in tribal law with men. The flercest fights were between the squaws, sometimes ending in death., Husbands RICH ENGLISH BACHELOR INHERITS LARGE LEGACY Sir Philip Sassoon, Former Under- secretary for Air. Is Left $750,000 Estate. By the Associated Press. LONDON, February 1.—A legacy of $750,000 to Sir Philip Sassoon, already reputed one of the richest bachelors in England, by will of his cousin, David Reuben Sassoon of Hove, was published | Thursday. Philip Sassoon's grandfather was an Indian merchant and nabob and his father was known as the closest. friend of King Edward VII. ° Sir Philip himself was undersecretary for air in the late Conservative govern- ment. He is 41 years old. Bravery at sea of Coxswain Henry Hiak 18 HOURS WASHINGTON TO FLORIDA The Miamian Gl Coast Ltd. L 3Q5 po. Lros0Spe. Other Fast Through Trains Daily Magnolia Limited ..10:55 A.M. Palmetto i 7:25 PM. ‘The Double-Track Su-la-l Rowte Atlantic Coast Line The Standard Railroad of the South information from. GEO. P. JAMES, G, P. A. 1418 “H" 8., N. W., Washington, D. C. & ld | will be placed in the Smithsonian In- Prof. Harrington will return to Wash- | Blogg of Cromer, England, has won for gton after the funeral, where -this | him the V. 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