Show Z A L I 1 31 of R 3 ri y 0 8 A f 45 t 90 1 3 1 diagram showing ampi fr r alone wired to plug by 8 age t g e lead arrange ment suggested for adding flea re i a ince C api nu ng to any circuit 11 tit 1 if I 1 all I 1 oil I 1 off it tion IN it so ink will I 1 I 1 1 f r wherever hersty pr it 1 lan 4 A irli irli I 1 II 11 r i 1 r dicen OV ivr ir the kal also hit nit lilt dlott artl oll af n any liln kill I 1 aitio oily lily arn I 1 sit it li Is float throw estares are no cl alary if t 1 tip v I 1 in ill to j f ta I 1 wo atlo tsien tug f riner cotil ciu tell in nit I 1 III adon I 1 e 11 ll 11 W it rt igelnik i to i r nil till I 1 f P a I 1 li 1 I to any ally net im dai ill ling r rf sillier it I 1 of tho the A still effler 1 are of fit ro r aloot in I 1 I 1 IN 11 0 ps nc lie for hit 11 tubes 1 d I ra ani ti na jill the enfil ill conden 1 sern 1 file I 1 he grid leaks it ita iti and anti idill IC have vainer of I 1 nn an I 1 11 ali diagram sh all UK moot if atif r alona lon wired to a plug by a single find which IV 11 for adilina col lIllig to any ny car circuit practically no kno MedLe want tat divor of he tile rece receiving lyIng circuit li lit mary ry mire X should be inal pied ed oo 00 4 1 of 11 II battery after tuning in a citation on trie felt phone receivers the phoned should lip ile removed and the limp lifler into the jack if it no signals are heard W tile kindle single wire to the plug should be to the other plug terminal when signals ire are heing amplified X should be ile varied over the lie it 11 battery tale tai s until the response Is 1 the strongest without impairing quality transformers can cam be used rhe amplifier he be plugged into the low stage jack on the re receiver celer proper the jack that or din dins arlly ghee gives the weakest respond many neutro dynes are so 90 arni nied that at least one stage of flit single tube set that Is super regenerative thi tills Is a it ne new single stife nit e ri rt circuit t ik known non n wi t tie I 1 e 1 it cirt titan it was dl 10 1 0 tell i d during a of ex arrin i ants with a large number nu niler of ro re ceil nl circuits thie thin now new circuit 13 I 1 not sul for wired rn artio llo 11 e of its tendency to re but it li 14 4 probably ably tho tile laet last word vord in a sin ingle ie tube set for receiving news fin ani music from the present broadcast broadcasting ing stations the circuit Is 13 described in the in terentia ter estia of amateurs and the public who ho may elsh to listen to the pro aarns grams now in the air the set la Is oper super regenerative it requires a mini murn investment in part parts practically all evera amateur already has everything necessary to try out the circuit it tt will be noted that all od r ld leake leaks and grid rid condenser condensers have been eliminated and no fitter filter circuits are renew 12 13 single tube sott of interest to amateur amateurs quiren q u I 1 red any amateur can connect up one of these sets in in hour or two to and the tile results will surprise the tile most hardened radl ophan I 1 almont any metallic structure which aich may be picking up radio may be used as an aerial connection to a bed tied pring spring wire ire window screen steam stearn radiator or ire fire escape Is often all that Is necessary A short ouie overhead aerial a length of wire satning across th the e room concealed behind the picture moul molding dint or under the carpet w will ill also alto u tuning Is accomplished by rotating roti ting I 1 the he t movable coll coil of the or varlo coupler until the tube oscillates then adjust condenser no 1 until the station desired li Is heard finally adjust ing condenser io no 2 to the frequency CY of oscillation which brings in cleir h and music A second fine ad justi nent all around will the volume and isome regulation may be secured with the filament rheostat I 1 varl ometer or Tarlo varlo coupler ll 11 Is the rotor winded winding 12 Is the eta sta flonary finding nc 2 23 plate condensers preferably with vern lers cl and ca I 1 DL or horley honeycomb comb coll coil or its equi equivalent alent la 13 I 1 tube DIL UD D IL 11 or other hard tube I 1 tube docket socket I 1 filament rheostat R I 1 A battery 1 to 2 volt for tube 0 6 volt for other tube tubes 1 11 lattery battery 43 45 to 00 volt volts for WD 11 45 ft to IM volta volts for other tubes I 1 lair ir digest I 1 I 1 I 1 it 11 i I 1 fit i j it a i idill llyl nil n II 11 int joil I 1 t I 1 I 1 II 11 I 1 I 1 I 1 1 I 11 II 4 1 I ink 11 1 I 0 lilt II 11 ill IM I 1 f 14 4 11 1 III IV ll f ro 11 lit III t ill 11 1 1 III 1 I I 1 hilll it d ica I 1 uni lint nit NI I 1 if lz A r lly nil quality i r atit 1 ly will A ill ni no t suffer 11 ll r bijl 1 II 11 to alp p fit trun 11 f rini riot r lit ii li it I 1 ln in it hilll i 0 I 1 linn ion I 1 ro i 1 erly fl ly it I 1 idill illet I 1 11 if I 1 UK its I 1 one f in ill I 1 11 I 1 i 1 11 i 1 li d 1 lit IK lk hi hl ild 1141 10 I 1 huit llo ly it pi rr afi 1 if it tin tilt ri ro clr eeler t ulila 1 I it oil n li to nil till lute late ill addition f ra e mil ling 1 fit a he five till wt so t en an I 1 four tulle are mod 1 on low it jak jaik it in 1 an tin iiii cliflon hut that ono on out outlaid loid tince I 1 Is being ell eini I 1 if ml 1 I high voltage Is I 1 necessary Ne cery ion lit lin 11 in lilli till flip detector tube from 41 to Q volts hould lo 10 10 a piled to the tile pinto plate of t alb compensating an for the voltage drop across tie tt coupling res resistor 1 in the i lute circuit no more than 90 f its I 1 be b Imi reAmed oo 00 the r 1 circuit while hile hi ill or more be teed on a t f ampil lit r ahin lait last will function satisfactorily on 00 toll though te to quite naturally lecurer on tie increased Inre ased voltage when in putting brorn it transformer trant former couple I 1 abage the tile norn nornal at dete detector C tor voltage should ix ile used if only two resistance cou 11 tulip are used the leak values vali ici should L b an 34 inte gohm respect respectively lely if it 8 ringle 11 athile the Is employed the arld grid leak should te ie a n O 0 ohm resistance si Allitt ance the tile V UN k the C and the defort st DI I 1 2 tubes will function satisfactorily in irk tills this ampil tier fler splendid loop set Is Lri critical tor tuning I 1 by J W D the oa 01 h kup kill a X pledis I 1 i 1 set with ith ilich I 1 hae liae heard new eis lork ork all th alanta 11 at ity annl an I 1 rt S I 1 maj amny ny i laim loops are not i tall tit clent unless fisl d v blah ich ot oie e or t two 0 stepi of radio frequency this st sit 1 Is nry try ariti al for tuning but it Is highly efficient effi clent A will be noted the tuning Is with mth a ith the llie rotor aed for the tickler A owa mm condenser vernier preferred Is it hunted ar ackois the loop the vernier rheostat Is alo also of peat great p eat value owing in n estremo the set will hise hiss until filament Is properly ya 16 A 44 diagram showing loop set that li Is highly arranged the grid condenser may be either mal with a leak or mad and a I 1 leak both were tried out with equal success tuc cess the diagram li it self elf explains lory tory radio digest easy way to take tap taps off in winding coil coils the easiest way BY tips tip suii int be taken off Is by on a ertain d tain number of turns and twisting tic avire ft ire loth er at the point niina so us as to niale intake a fire or elx six inch inh loop aud and a num ber er of turns again wound on the tube and the next tap made in A similar manner or a neater neuter looking job li is made by winding on it cirtain nuro nuru her ber of before bikini nn lilii a tap up and then allow six inches for it tup tap bukh a it hole in the tile tube and the wire through it push another liole hole in the tile tule tube about a quarter inch from the other and close to the lat turn of wire an I 1 allo allow elx six inches s for a tap and find join the ta tiro 1111 six all inoh trills 1 on the nilde inside of the tube use care when you are constructing new set many radio fans aill rush the con eon ruction of oine some new tet set that they we base seen or heard ID in the rushing any aidt of connection connections ore are made with a consequence of ba ing he the leads lone long or twisted in all usually this results in it the failure of the iset et operating though it li Is not necessary nece esary to build a am new set on a panel and nd all ready for patting putting in a still as much cre care should be taken with a board layout ns fig iab with a panel layout especially when the set e li Is some depa nur from i A |