Show op ZI 34 1 I 3 1 ca C P tho the freedom leflek which has only two controls panel has two dials for these one ona switch and one jack by CAPT P V in radio world many persons constantly inquire for it 11 three tubo tube set that hint still call give it good selectivity und and volume they do not avant regeneration because tile sot set la Is for general family use ure In chidIng child childreth anti they uru tire abrald that luck lack of core care in ili tuning will cause neighbors considerably considerable annoy aleco and besides beside 4 the alio controls tire by the inquirers to only two on oil tile plen pica that lit in icil member anber of the family liua has inure two hands it la Is heully surprising that so little attention has been paid generally to tile hookup which la Is probably the most and thice tubo reflex that you could build for aerial operation factor mado products using only three tubes tube may inny more because re flexIng espee tally inverso inverse rell ri using la Is n fine fic art kut tile sot set shown will cause no trouble either althor during building or after ward and it relies with the trouble element taken out must indeed to bo inviting list of parts two frequency transformer ll LI 12 12 WI aa two niad variable condensers condon sers 01 ca three sockets two 4 inch dials two dial pointers three tin oe IA Ampe rites for tubes t bes fixed condensers al 03 mad 04 nim 05 and CO cc liffin ono 2 grid gl ll leak two audio frequency transformers pue one single circuit jack ono one battery switch 8 one 7 by 18 inch panel accessories ono one 7 by 17 inch base board aerial wire ground alami lightning arrester lendin leadin lend lead in vire cabinet sp speaker eaher A and it II batteries jack plug four UV 0 or IMI dve tubes terminal strip internal connecting wire hardware set needs no neutralizing why no neutralization neutral nation you may ask first because nono none should bo be necessary 9 with only ono one stage of fre quency amplification its the second stage that compels tile the inclusion of some stabilizing ti device evIce like a binl anding condenser potentiometer plate resistance or the like it if by tiny any chance oscillations do occur where not wanted which bo only below meters the neutralizing condenser may be inserted however I 1 have built several of these sets neu neutralization trall never was wag necessary hence I 1 will not include for neutralization tap etc there are only two colla coils to make one ne for tile the aerial circuit 1112 1112 the lie other for the coupling 1314 this circuit la Is characterized by freedom from squawking freedom from difficulty in construction or operation and freedom from excessive number of oc controls conti therefore it la Is called tho the freedom renex reflex which lias has a timely touch to it too no rheostats are employed tile the resistance si elements in the fl lament minus lead being suited to the atutes employed it Is all right to uso use the am in the detector stape stage of this circuit thus ulle ono switch controls the entire clament flIam ent lighting As the set Is designed for speaker operation no phone jack Is provided the panel the set may bo be constructed on a 7 by 18 inch panel the panel may bo be divided horizontally with a line 3 inches from the top and the center holes for tho the condenser shafts drilled 4 inches from extreme left and ex right respectively the only objects appearing ou on the panel are tile tho switch S the dials and tile the jack the switch may bo be of tho the push pull type but it if you can get the toggle kind alt with a small mounting hole required that works more smoothly tile tho usual toggle switch left and right or up and down motion required ulrey too big a panel hole 1 inch or so and few have the instrument necessary to drill this or care for such a ble big dent in the panel the switch should be placed at a point near the A plus line to the terminal binding posts the aerial coll coil Is made of no T 22 1 double cotton covered wire on a 3 inch diameter either tubing or basket weave LI consisting of 17 turns and 12 of 43 turns eadi winding separate and distinct and the separation t ah inch 13 M Is wound also iso on a Q inch di diameter arneter consi consisting stink or of 12 turns of the same icinda of wire 14 baving 45 turna toms if after the set Is in operation it Is found that 01 has higher dial readings than U 02 11 then remove it burn airn or two from II IA until the two dials read tog together ellier the variable condensers should be of the satie tae t ae make wrt ind capacity arild tho the cotla coils should to ho nt at right anglea to euch each other oilier tho the aerial coll coil rill rilla 1112 2 usually being boatly conveniently placed at left rear benr of base loard with coll coil anih pan illel wi th tile the baseboard tho the cull coil lengthwise run icing in ili tho direction of tile I 1 anol width of IS 18 In inclines Inc lioa clies the other coll coil limy inay bo be placed liln coil to the right or of 02 with form bottom secured to 0 o tho the baseboard with bingles tile connections connect luna to the colls coils should bo be such that lint ground and F I 1 minus connections lit in the aerial circuit tire advant and it 11 plus and positive A in ili tile coupler uru itro adjacent ca Is tin the grid kalil condenser ct C t 1 CT and CO CM being bypass by pass puss condensers conlen erH cheso bypass by ly pass condensers condon sera in ili some cams probably many camast may inny be ba omitted emitted end endredy rely but if volume what you feel it be put them in ili and your solution la Is found sometimes s there 1 la enough Kli ly by it there then you need the 11 axed condensers the condenser ol 01 O 01 l la im physically mounted across tho secondary of tile the ilist ili st kudlo transformer |