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Show LATEST STEP IS SUPER-REGENERATrVfl BY PATJX P. t.ODLI.V .mcrica's Foremost Rmllo Authority. Build your own super-regeneratlvo set. It Is not difficult If you get a clear understanding of the fundamentals. This type of receiving set. perfected perfect-ed by E. H. Armstrong, can give .in amplification of 1,000. 000! Extremely Extreme-ly small energies such as thoso set ' rirei ccvioeiia ! P Yr P 1 My i f !- SiiTvr-rejrejicratlvc recentmteir Cin nit. S I un in the receiver coils are niagni- fled Into strung signals without even using an antenna! At distances un to 20 miles a proper combination of circuits gives i-lenty of volume without any aerUl Using a loop or coil antenna, the same volume mav be had at double tho distance. dis-tance. To go further than this that Is. to connect the set to an outdoor e-eu 18 at Drcsent Impracticable. lhe super-regenerative set Is essentially es-sentially one which finds Its main application where It Is either Impossible Impos-sible or undesirable to erect an out- door aerial. As yet, it does not seem I r???) auccessfully in covering Kreat distances Except to the I rj ra?radv,W,t "'!'r9 no Pabular Pabu-lar advantage oer tho oresent re- ennUVefreC1iVer an1 1(9 "tdOOf ,r,! rCn Tom the COMPLICATED. there1" u";'1? J Mtrera( distances tdyne'recel- gg-; - spt -ntjon. of SrJgS .ettl rpI'h,n the -uper-re-easily ip CU S ' b " of success In semLJ lo be cerl 1 1 must bo siro P ?ne'a ' tlon. Theris LU?;,?Uml - cessful oucratlon if an OsB I set-up or the 3-eltrriBal This tube Is so conjinflhsj enerK'i' v. in, h .ire paf4 B are ni.i i;n:fiei -. ver.-d tlaeBf I ralive re", i..'.- raikH HTd to ri'i- they..- iigna! rifrpsBj the s:imf tube many tlsa j&st sue.-cslon. Kach trip aa;)piui Thi oretlcally, thN ?aK-' es . it i (I ;j un until hum, iit an infiaittPJi lu. ill , er, nn 5l?TI4!liBft5 inin..'!v -tr.-ne. ihv rrrwjl" i.n.it - their nWS On signal" w hich iDitiiHp ' trernelv weak, the trr.5icB en ' within the tub- .:- SJ. :rrfi.".i!-::i's n thn filament i it ! Jli HOOK -IT W The diagram gives the jT. the Arrn'ronc. super-retciB -i ceiver circuit Brw . j '. .'ion to 1 tector. ihe vaeuum tot Pi 1 O'-i ill ituiy energy al toiBFjii and actin? a? impllfkr. I ondan circuit and r'";-LL i -till for osclllatloaf i'ssi i tv - of the wae i: J Pj The circuit comprise! fB S i 1-1 I-- ad lusted for wcflii l-.'.j'i-n ..I about llW"" which is a very high plWc11' frequency. Slin |