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Show yea ii i - fmmmmmtm iww nnewpPMoa wj I", I, I Th latest word In equipment tor the police than In a mdlo outfit. The Thompson sub-machine tun, firing- 10U0 nhon a minute, dop the work In topping eftcaping Ihw vli4atora. Hut radiophono keipa tht police In constant con-stant touch with headquarters 'or tips and orders to eperd up the chase. By R. U DUNCAN, I5iraa44r, Radio Institute wf Amsrics. a (y N. I. A. torvlos.) Wrwtn you visit a frivnd who has ft tranamltttng sH, don't start tinker-In tinker-In with It. You may maka yourself llabla to ft htMvy fins ftnd ba tha cauas of bavins; bav-ins; lha sat conftsratad. Kor nons but ft llconaod onrfttor may trana--nilt radio maaaasaa. $ Th ifovarnmsnt rfulaUons aro ,'fttrlct oa this jK?or, Thar la no charg by tha dpntment of com-marc com-marc for tha llcans. Hut ft flna up to $&00 may hm Imposed for ft violation, THRIE CLASSES. Ths llctmso granted jits for: 1 flnral inuutur tatlona, pr-mlttsd pr-mlttsd to us a power input of on ktlowittt nnd oMrat on ft wav Wnmth up to 200 motors. I K-trirtod amniour stations, located lo-cated within flv miles of ft naval or military radio station, Hmltod to a power Input of V kilowatt and a wava length of too metera t--8p4Kll amateur station. ir-m ir-m It ted to tranamlt on wava length VP to 17ft met era Ths applicant for tbjft licenee must have had at least two years' vpertmre and must prov that hla operation will be nf "direct benefit to tha aclrnca of radio. Best ties the groneral claaaos, there are several special licenses Is ued to unlvtrsltlea and experimental station. All stations are required to usa aa .little powrr as pons I hi to carry on their successful communication. Malicious and willful Interference, or the sending out of false or frarnl-Ulent frarnl-Ulent dl Irene signals are prttJiHiitd. Appllcntlune fr operator and station sta-tion licenses of all classes should he "mad to th radio inapertor of the .district In which the station Is located. lo-cated. There ere nine of these districts dis-tricts with their headquarters In the following cltlea: ... First district Bnaton. cond dlatrict New York. Third district ItHltimore. Fourth district Norfolk, Va. . " Fifth district New Orleans. . Witth district Han Francisco. i complete description of the apparatus. appara-tus. If It confurms to the govern-" ment requirements, the licence and station call la Issued and the amateur ama-teur may start trannmltt ing. Hut he munt remember at all times that he cannot commercialise hi station. TurONDOJf, June 7. Government sanction Is all that Is needed to make rndlo a nation nt public utility In Knglund News of this development . follows reports from America that a national na-tional system nf brondrnktlng, with rentsl of radiophone receiving sets In horne, was being planned there. That Knglund Is actually preparing for such rndlo service In the near j future Is gleaned from a statement I Ixnued by (lodfrey Inancs, mitniiKlng I director of Marasuil's Wireless Telegraph Tele-graph compuny. In Ihla slilnrrisnl laaa-a Innlri program for different houra of the day. We shall transmit by partlru-lur partlru-lur wave lenirths If we get assistance, assist-ance, as 1 have no doubt we shall, from the authorities whl.-h will be so confined aa to reach only these particular receivers. Nobody cNo will be disturbed and the telephonic receivers will not be dlsturhed either by wireless telephonic or tfje-graphic tfje-graphic communication." ' This, says Isaacs, will be the start of a aystem which will spread through tho continent of Kurope ami eventually will reach over the entire en-tire world. GREAT POSSIBILITIES. I do not think that anybody realises how big a thing this Is suing su-ing to be," he adds. A meaaaKe st-nt out by the government or the police would be In every home in the country in a second. "We have been perfecting thla Is slightly more than two years. More than one -third of the profession was out of work at least a month lant yar, j 'Mr. Miller declared. The loss resulttnt; ! from the failure of 0,000 men to work ' continuously waa at least $! 000.000, J he said, both to th engineering pro-j Tension and the community. I Seventh district (teattle, Wssh. Klghth dlatrlct Oetrolt. Ninth district Chicago. . SPECIAL PERMITS. ' Those amateurs who Uv In places too far from the district office to 'rmiks personal application can get temporary permits if they satisfy the authorities by letter that they are familiar with all requirements. Even after an applicant has psased his examination for an amateur ama-teur license, he cannot operate his station until he gets a station license from the Inspector. This Is obtained by fining out an official blank with a forward to the time when radio will be as popular aa the telephone and outlines a program for an ortra nixed public service - which the Marconi company t ready to Install as soon as the necessary authority Is obtained. ob-tained. IN ALL HOMES. "My hope Is that In time every home will have a wireless set," says Isaacs. "Our program la more particularly par-ticularly to aupply the Instruments to the householder on hire. "Our Idea Is to have two or three broadcasting stations In . different parts of the country and to have a system for a long time. We have been working In close touch and cooperation co-operation with the big American, ! (lermun and French firms." Cont of such a system to the con- I punier would be cheap, says Isaacs. The receiving set would be leased nt a modest annual turn and the service ser-vice rendered also for a small amount. GRID LEAKA blKh. non-inductive resistance connocted between the grid and the grid variometer, or between the grid and aerial, u as tit allow excessive elect rlcnl charges t leak off. This helps malntuln stable control of the grid. t |
