americanradiohistory.com...The wireless weekly : the hundred per cent Australian radio journal Page 2 nla.obj-632047122 National Library of Australia ~ WEEK.Ly i g

The wireless weekly : the hundred per cent Australian radio journal

Page 1nla.obj-632046995National Library of Australia

The experienced radio fan needs no gr,·ater assurance of -.atisfactory service than the ,.tai.-

ment -" It's a Gilfillan unit."

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~ WEEK.Ly

g,11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111n11111111111111111111111111111111111111111111111111111111111111111111111111111111111111t11111111111111111111111111111111111t11111111ig

i The Open Set is Coming I e ............ ,u,uuu1u,111111111t111u, .. ,11n11,1111n111n111111111111111111111nut111111111111111111111111111n1111111u111111t1111111u11111n,,,11111t11• 11111• 11111111111 =

I Now is the time to purchase your material for the Set that you are going I e to construct this Winter, for as soon as the Open Set arrives, there will =

not be sufficient Radio Parts in Australia to supply the demand.

In constructing your Set. we recommend that you use the following :

United Transformers technically perfect and used by all lead-

ing manufacturers throughout Australia.

= United Condensers, either plain or vernier all capacities. = E = ~ United Honeycomb Coils, properly wound, correct induct- ~ ~ ance. Most trustworthy and efficient Coil on the Market. ~ = 2 ~ United Coil Mountings, 2 coil mounting, 3 coil mounting, ~

Coil plugs, Panel plugs, Coupling plugs and Handles.

~ Signal Fixed and Mica Condensers.

i Quick Heat Leaks.

i_=~ In your Crystal Set use QSA Crystals.

These and other ·• UN1TE0" and "SrGNAL .. parts are for sale by all dealers

Applause Cards furnished dealers and Clubs without charge.

United Distributing Coys., (N.S. W.) Ltd. WHOLESALE ONLY

= § -- Manufacturers of -- = i RAD IOVOX SETS I ~ 28 CLARENCE ST., SYDNEY aod at 592 BOURKE ST.,MELB0URNE ~ - -§ g ~IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIUlllllllll llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllUllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll!llll/lllll!IIIIIIIJIUI~



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WIRELESS WEEKLY FTiUa_l', .ll:11 111, 11124

The R omance of Broadcasting.

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BR OADCASTING Solves Your Home

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E ntertainment Problems ••COL-MO'' Receiving SETS. from £J Complete,



WIRELES~ WEEKLY

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WIRELESS WEEKLY

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BURGI ELE COMPANY \\~CR.ELF:SS El\G 11.\"l:KRS aud St;Pl'Ll (;R"

Showroom, and Sales Dep,. is~ Fl0u,. Callagh"" H ouse. 391 GF.ORGE ST, SYDNEY

I \ lm111f,wtur.-,, uf Lbe f"nmou• ·· IH, HGlXPllUXU:" ll.-r.-i,n, I Toi. M 3069

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TRUE. DISTORTJONLESS MUSIC rs A l'EATURE WlTH N HM

i1l,1111r11t liµhtmJ: \\ 1th , ftw m11u • uin• fnrml'i an,t fun mak.,.n, rhmg m~ .. uh fi.oh•h ,ru I Inn•. 1 µrocrt ,lctl 10 n,,11..f d1~ nulfil •·pC"rk.;· bu1 lrUI:': uh-1tin1:cy, 'perk•• tl ~oulJ nul \i11ur ,ll)- I rrn 1,rd m, .. har~ uf , , mph mcnL .. fwm du• ~an,: untd 11 la.st .be •i·t, •I rr;a~,n ,Iii~

TP 1ho.;.1 a.1T1• t1•ur-- Mho mnk~ 1h1c. ~rt I ,wultl !1,,.1\, 4Juo·r Jhf'i u11 d1ci 1lup 1r tlu r,·~uh• arr not 11l•t ,im·J imm1 4J .. 1.11••1) lw, i u~ llu•u• • I«" lmc- a,IJud nw11111 111 Im, up .:rnrl lhir. t1n1111g ui

,,·n .. }1.1r,,. Hal, oh h<n. 'tat • i:.HtnJ 11111 .i,lor1111H fnlrn~ "'ht"u 1h,, I rrab lu<,"'f'. ~,,,. ... Ju, rnn "J"lf'rk"

f lUl\f' uw, I, "'l'\rrnl ,1( tl11 ~ ik"I

•tnrf! wong t..,k, In,· iulunf! ui,I p,wr-1, amd fur 111 .1111.alt u1 r:\1.,rim u t , r•• IM'I

I rrall, d1 , nul h,·li'°\t it ~ 1n l,e h~ar , n.

'ill<H~lO 11,Tf.:\Fll' I\ 0\ !IRITl'-11

lltllJIO

t,rr at Unlarn lut 1lh11 I St.ll,000 hr

I'll ,11 • IJ .. 1f'nt"J• m,•• nu1111,u,-..I ~uh n

I, 1\0,0UO n ,, nr .,,:o. "ntl hro.11l,·a .. 11n1E

u •l 111 1114 '"a•rni:. Th, .. \·,~.11r rna.11ofa 1111t-r• rip, t u l-11 ~~ in ,,.,1...., 1n liu I

rwu • • \t,out ~~.ooo m,h,lduJL ... \\h,-. fir .. ,

1111,k out l•·m1>011ar, Iii• n-.1 t 'Vo l rr lnlt'r ,ai,, 11 c<-n,.a1Jlt, ,•, li«t·n-..11 Yt l11(h 01,~

1111rr,11h arr p<'nmt,. 10 lmd,I ..P,f4 Tlti• I\{~ "' 111 O'H" !~ti.a ,~

pular. •• IM'l"'Nn 12,1111'111 and '7}11fitt

p1•r JO(,nth wn• ,-. .. ut.J 1owArd~ 1h· t;}l,.,e hf IQ.:!.'\.

\11 1,,lit. Jf15,0UO R1111 l1 l,r,t.tit.a .. , n~ lir,m,,11 ,urc i tlr•I lo u\\11,er~ t R11l

1-;b manulo, turt'•J ~lti.. ;~ 11t• t1·TII. of whom Urr! mu•t1~ !,...-1m ,I in Jtu11111 ,r

•li •tri.-tt. u 1.us:~ rn.aJt1r11\' of ,._d own rr-, llff" qti•.Jirtl wilh .i111111l1· .. ·mt.il

-..d-.

Th, follm1 ml! han: hr..-n ;rJnlrd 11111l!n11u111,: 1!1 f'fl~._ tom•·• tlw poMI r1ui,,n .,( our h ... 1:

~r;1, ( .l11h11u t.J .. lt.ui111 'Uti .. 11. P1 nnanl Hill'"

2L"R u-.rr1M,· and Oi,ufrc Rntlio ( .lul1. I ,.,111urr

CRYSTAL REOTIFIOATION

I



fi WIRELESS WEEKLY

Broadcasting and Transmitting Stations m N ew Zealand.

... ,·t•: Tran.<mitring nn,I R,c,it,ni: ,rmion (Grad,· /.,

Jmurn,~ill Radin Club. lmerrnrgill, I~ ,,Jt1, 160. 170. 180 mrtn• . 4AP Th~ fnll•1winJ.! \\t:rr n,l\i ... 1•tl a ... '"lic·t·ri:-t-1> funo-·ankd to Ui--LrilL R.a<li,, ln~p,·c-

1t1r .. : Tht•) llit'H" n""' ln·,·n t• ... u,•,J 111 1h1• rr,.,Jtt-'rtiH" lin•n--1·1•.:

Tron1m11ting and Rt.Tt:11m{! ."'itnlinn ,t;rmle //., i\uhin. Rolf F.rnr,.t l.rmprier~. Auckland . .5 "atts 110 llletrc, • • . . . IA( GruLli. ... \rnol1I l lcnry ,trLf"ocl, Onnf'(lin. ;°; \\Ult~ 110 m1•ln·.,. • . •.. •• 1.AI..

Tiu, f11llowin~ atld1twno.) liri•nce~ ha\t.· l,eeJi forY.nrclctl to thti Oi'-tri<'l Ra-11111 lnc.pf"rt11r. ln11 ad\u:e uf •--~uc has Dul ,,•t ht·t'•a rc·reh·ed:-

Tr(lm,mitti11-t: nm! R,~rril•i,i~ .'-it11tfon I (;rnrfr ff.I

( ,lark~nn. f'h11mJ-.. Reynold .... Hn,-tin&?--. ) wntt.i. 1-lO mrtff'--i Gnudwill. Churlt-- .;;;,,,irr, UnmiJt,.n, ., wall• I lO nwtr.-, "'-lu~r,nn. Jamr·'- Ht.·~iruthl llunuhnu. ::; ,-.~th 110 mctr......,

2AR lAl

1,\7

IT~ l I' TO YO\ .

::'\ot a da) ~•K•:-. b, lm1 w~ hrar from li'ileneri.l.•in -(:owplaiut~ a.bout in• lrrft•rnwe ruu~·~l h} lht"' ,·nreJ,~ .... or in f"X-ltf'Ti1-n1·t il 11 .. 1 .. r of th, rf"~f'1wrall\,· ... ,~1.

Th+·rr , .. 110 n1·1·1I lor thi ... IIUJ..,anc ,._ H ynu ,Ju not lnu,\ how to upcratt• )otu .. ,•t. rall in .. ouw ntdiu Lm wltn

tint>~. th"' "ncHl"-i are full of them. 4p1id, 111niUJ!.- 11f >.iur Jin.ls doe~ vou nu {!oUtl and l~Ju .. ••s f.!,fCilt anno~•ance 10 m.1.n,· other~ in ·your ,·kinity. If you ltr1• rnin~ tu hrin~ iti <lh,tant stationSt it is only hy careful and slow tun• rnJ; 1h:u }nl1 ore, ahlp Lo tlmc thPm in: J frartinn nl an i1H'h mnkr-r .tlJ the dif£,.n•1H."t'

',,

Fri1lay. May lti, lH:? l

1111'"' woultl you f Pel if ~om~ autu• u~r park.,·<l oUt'-id~ v01 1r door nncl tool• eel ancl uuekfircd for an hour0 You know what you would do you would ~o a11d tell him IQ IJtlll. aml if he .Ii.I nut <lo so. vou'd '·knof'k him fur n goat" 11 you \H'rl· hip: enough, or rail a pnlir.eman.

Tlw li.•tf<nf<I•in ,·annul hit Lad ... , he i°' h1 .. Jpl<''"''- undN pr~Pnt c:omlition--., n11r cun hl· C'all a. ''Jlohlry'1. for he d11P~ n11t L.rw,\ fr-11m ,,. l,1)1n or wh,·ru his int\"rff"rrm•.- i~ cumlnp..

Let us nll try oncl be laiT and pla, the !!:aIDt:. If vou do nor 11nrlerston1I how lo 11pt·rc1lt• · )OUr ft.•1,1t·11,..roti,c re rl"h-n withnul t·allii.inJ! annu}atll.'t 1,, otJ1t'rs1 a..:k your ,le.aler ,,, '"'hm, )'nu

CO,\STAL R:\UIO SE){\ It.I:: ~taJJ Changes.

.\Ir. ~- J. Gm .. letr ro.<lin-t,·lt"graplti!ot ha:-. ht>en trun~fnn·d hom Rronmf" TA

1lio t11 Et--pt'rnnr,~ ra<lin nn cnmplrt 1011

of hi-.. lt'l'm nf trnpiral .,.,..n·irl" Mr. A. 0. Hosken, mclio-telegraphi,t,

l1as h~l'U tran~ferrNI from 11nrwin rn clio tu Pt>rlh rudi11 "" n1mpl1-lton of tropiral :-i-rnii'tl.

\fr. L. Lu~n,mbr. rndin•l,·lt•grnpliL .. l in rharµc., ha"' twen tran ... rerrNI frnm Kini! l,lond I" l'nn \[on--h).

Ill 11 Ill, Ill' II Ill II

Parts---Prompt -----Lowest Prices-----Radio Service

Contact Point,.~ Switch Stops

N P. Binding Posts Insulated Knob Bind·

ing Pm,-ts Insulated L ettered Knobs

Binding Posts Double Bi.ndiug P osts

Contact Connectors (Pigta.il.s)

Multiple Telephone Conuectors Battery Clips

Lead I ns Dials Ius1tla.tcd

Vernier Attachments Telephone Plug Double

(Rottnd) Jacks

Switch L<lvers llld nctauce Switches Rheostats

Alltennn, I nsulators Sq. Buss Bar Tinned

Round Buss Bar Tinned Spitghetti Tnl>lng

Variable Condensers Vernier Condensers

Glass Enclosed Grid Leaks Phone Condensers

Moulded Variometers 180• Variocottplcrs

Hardwood Rota.rs Phonograph Attachments

P hone Cordl! Cryst.'11~

Loud Spe!l.kers Crystal Detectors M olllltl'd

Copper L ug,i V.T. Sockets

U .V. 199 Sockets

3 8 6 GEO RGE STREET , AND IN A LL ST ATES

e.i1w Ii' 111 1111 ·, Ill 11111 111, Ill 1111 I'• Ill 1111 , 1!11 'Ill 1111 ,1111 Iii 1111, 1111 n , 111 111 H 1111 111 11 Ill 11111 11:1mllhllll1TIII 11111 llllillllUI' lilll 111:1 11111 Ill



WIRELESS WEEKLY

]n conunl";l\tin_ upon hroadt&'!!llllJ m tlm t tulrd ...,lllh~ ,t,, R,n,11 Ni<l 1h01 ll wa.--. lIDl'°'"..,1hle ior tbc u.n1011lalrtl h1 lmoginf• IIH' ~,.u,. of prrfttti11n In ,\hK h monlli-• flf u-arch n11J t.'l.ptti

mf'nl 1 nil n, t1I 1ht- pr,,gnunnw~ rut uul hv rhr manv )ugh pr-1•~ -.111uon1 dirnu~I, ,ul \n,,.;kn Pnmarih rr~t41 eJ ai.. a l r.u~. 1t ._11._.. nnw rl!a.lJ .. cd Ji) 1111 dL:11 t,r,,ad1 a 11n1t l1J1tl al!!,unird the propor11 •~ of a nea-. ... ny 1n tl1r. humt",. Th 11"""' ,,f lin•o•k I hUJ fur rh..- 11:(h.am.:-t't of rduralJon an<l du, ht~h~ r r art• 111 n "' • ,,hat{". 1hn pot iMlit 1r:---: of ~tmh are 1l1t" :!lliiJt(t of ,-.rriou•

•ludy b, 1hr- ("-)\lt•rntnf nt. •n•l thoiw v.hn r,·unJl",J l,~1k;a-.u1,~ onh u JD trilrrta111mr:ot •rn ra1111II) chan11ntt th~1t ou1l1w,k.. J In H•n htA t.alrru Ill th • I)' l 1r mu,-1r • ricl 1hc tl1~r urtt 1- alw•, ... •"_ailaJ,1r. anti Jn Yd) I~• ~Uk'Ji lit 111nn11 nt a•\:f'il hy tho•o 1'ho hn:ia.•1,·a ... t nUJ•ka.l ite-m .... f,-riur,.... ct,·.

-\hrr oH·r 1hrre yrnl! qi hroadu•I me. 1he ma.nuh1rto~ 1 f raJjn part ..

aa11I :\fr, Hal\~ .11 unahJ,, 10 tUp}'lv thr ,lrmand.. and in thr cai.e r,f I h,: (:1lBllan plan,, wl11d1 i.r.cu1J11~ a tp,11 e of o\i·r 10 1rr,..., thPte a.r, crufficit-nl nr• tl~rt 1h hnnd to lrr1, thri f.u lory •Ill a.t car,arit) for th~ n1;:1:t ... "11. 11](),nth ...

'1uth .\..m_r,rii a b tap11lh: nttotn.1.UJ nnd P\lrnriln.1 r• ti,, ,r.r,,·iCt---. a.nil ffUit('

.. - ;.-, -· ...

n numl>t1 111 l n1u1ku•1tn;. t!~t111n1, ate: ., ti'-1.. \ ,·11m1,,my knc ~-n m"i Hudu, "" ,1 ,\uu t,C'U, al lt11,-1u !\ud ~ tl1t'!

l,1JUW'""l ron, ,·rn h is ron1r11l1~d l,y 1n 111rrru.1111111al J1foU{1 ol tJnu ... rtJHCf"•VlllUI ,1arr11ru Co 11f f.n,t1.1nd. n.11!1,:i l iqiort1.lJ1,n 11( \Jn,.ricil, (~r-rm,Jn l't·J fonkrn C. mp.,n~. aoiJ rump t,tn1('.' T l~upb1c:- ..... 111.. f ,f... ,,f I· r1n1 f l'hk pouJ1 i'I '""1411tnK unJ wm ' nlrnl 1b l:ommc-r, 1.1! \\ m,~lce.a ~ntcct,, wl,i, 11 w1TI rm11!1,, t thnu1 1.f lngh po"''"' ._.t,a11 •n<t lml1na;:. ~<nth, ~utb an1I Crntul ,\ rnt 1 ,ra

\Ir R ,11 .... ,, r~H:' !Oln ,I I 1111 -1J01nl.. ur"" l,c1n,: r'"cll;"J'-~J lH 7A \ I I u") un l uh~ at lnud •~ 1lt:r

.. ulf"nl!{b.

"'fl,.,...., )ntu 2-.i•f'1 niamu k111111 1.m

tl lflK •lu,tll ·1otu111ob1I, 1', •• .., -Luul+l NY m,t. -..hr. a--k.t:11 mt:

la~ 1ii1h1 af I , onl~11 1h, n1t1nt" l,, .., r1pp1n,: 1b~ J:t"AI"'-"

. .....

We are pleased to notify our customers. both Wholesale and Retail, that we arc now ready to quote for the erechon of aerial masts from 30ft lo 200ft. in either Wood or Iron, a lso for flags of any design.

E. 11. U H E T T & :-:< >Xt-- L'l'J J. LITTLE A\ f-.;IJJ B \ IM ,_IN I AST

Phoo~ 11' 1~11,

I



II WIRELESS WEEKLY

THE ELUSIVE CRYSTAL CALT S TillARD

flllnn T TTutrhings.. Callu .. adda, Vie hn.i: lng~P,I the foliowin~ lRI·\ detr,ctf,t nnd 2Af·

1 By "(.ry,1nhs.'')

,,·111J~t ex1>cruu~nting w11l1 maimetilt? ( "'Prin~ c,Lt wld .. ker), the circuit shown hen· f Fi;?. I) ~a,e re-ally sur-pn~ing re• ,uh-.

:\ Mnall l11f'-al l,aut"ry nf 1,"o ,Jr~ ,·di ... \\ta.., µla(l'rd in ,u,. primnrr c,rcuit in

--f•rit-!- with llw .\,T.I. ~i!,?Dali.. µrinr tu tlLP in.;rrti,•n uf the hattt.r}'. , .. nr v1•ry \\t·nk. tltt1 t't)"'lal l.)t>inf,! ulmni:.t in..,c:m••i· 11\·t• ) 1·1. v.lwn t1w currrnt ·w-a~ µa.sst·J thr-,1u~li tlw A.T.l ., ;1. rrmarknLlc ~en "-Jh't"lly ,1r·u-. ~tpparc-nt I he n--pnal --•.,p:irkr,r" ,.,,·r- 11~ t-·ut1re :-11rfoce and re,·rplinn imprm·,~J tn nlmnH is.i11gle vah,· .. , r,·n~tlL ThP t'fft'd of th,, ap, plird ,·u.rrt·nt .... i•rmc,. In ht• tlhil it in 1lun .. .i..t m.1i,rrh.'I ic.: fir-hJ .i.u tbt> i!Prial cirruit. Thi- i;.;; a.pp.ifl•utl~ tlie r-.:1-..•. 9 ...

iii,• impro,t•mt·JU in rt'i 1·ptinn i~ ootiC'P• ahl1• for -..nnw lime' afu~r th,· batt,~n- iFi n·m,)\cd from the c.ircuil. ·

A

Fir.1

E

I lia,e tried a ~5 ,. IL P, hauery, hut rr ... ulr,., Wt"'ff"" no lwll•·r tJi.1111 "'ith rh• rin ,·,11'.

TI1is l'irru.il is \\ell Whr1.h a trial. Thr actual arnvlific31ion mny h, •m:111 hur it t.'t'rl11in l )· Fxii-11.

r:n .,ta/ Rrcti{iclttion. Thr propertie!! of tl1e c;ryst~1l as a

re1·1 ,fier may he lested in the simple Cirl'UII ( ltiµ-. 2).

fl 1 Tt>prefrnrs an c>nlinary ·11lmnP 1enninnl. in ,-d1icl, I \\ll ratv.·ltii:1keri-- nri~ c•lampi,d. 12 and 31 orr CT)'5lal rups The a,·tuaJ cr,--1al usril is a mlllltr of i1Hli1£erenre. Both cr;sLals coru1L•cl 10 'µhone. lcm1inal (4 l. ·

Cryslal :-Su. 2 is first ndjnsred unlil ~,gnnls are foll s1 rrngth. Upon adjust· inll the seconrl cryetal. it will bo noticed thot signals !in c"rluin spurs) disnppear comp]c_tcly.

AJt.lwugh t.he coni-,erum.$ of e~perl r,piniun '-f"tc1ms to be that the crystal

1111d -n hli-:kor form o ·'Tl1enno•couplc." 1his. ~t:e.mb w dispro\e it.

The rec-tilit""rl riu-rent is pat--~ed rhrongli 1hr lin-1 rry•ral until 1he sec• oud (:'rysHJ] ndju~tuk.nl is mn,lt>. Clea.r I) l""'i"~ 1hat the ,;eton,J rrys1al re• ttathforn1.. l<...t, 11, \i.pl-'ak) the t.lire••f , utrcnt into \ .r. ,1~1n. Tht- rurrrnl in Lolli rrr~tnl"-, paQ1;1.i11{!' 1" U dirccl

F,c 2. l g 't f

patl1 rnun C'UJJ tu whisker. through the 1-r-y-.tul and nnt ou tLe surfatr-, as many PXperti; duim. GalPn,'.l rum~h~~ (IQ ex• t~tJl1·nt medium for tcslinµ. tl1i-. circuit.

A,~eurtlin~ lu pdvutc advic.e1o; frnm <.aHfurnfo, K.JI.J .. 1!11· l,roadt·u--ting ~la• rtvn 1tf 1hc Ln;;;. A.ngt•le-. Timrs., wilJ ,horrlr conil11c1 •pecinl 1os1s with Auetr.ilia

Yicro, ia: 3BM, 3BC, 3HTI. 3.80, 3 BL, 3A;\L HF, 311 11, ~Jll, 3JL, 3XA. 3XO, 3AL, 3L:\I. 3Il0. 3S\V.

l'iew Sl)u il, Wolts: 2AL. 2ZG, ~GQ, 2l 'W, 2YI. 2n1. 2BC, 2CM, 2KC, 2 7.Z. 2YC. 2llS. !ICF. 2Cll. 2YM, Kil, 2, :'If, 2:.\R.

Snuth Au.-tralia: ,'iBQ .5A1-I, 5.\1 S \D. 501\

Tnsmunia: ,BN. New ZcalanJ: ,1.\..\. 1 \\, 2Al,!, ~

\l', 2AC, UH, JYA SBQ. 5DA. 2\7, 2ZG. 21:Q, 21 W,

2C\I, lYA he,irJ QSA ''" (one. .\fa,, mo-:t .,r 1hc Mclhourne ~ln.th,nS:-150 miles.

Uun.ng the lasl three ,--peks L. ~chuilz (2f.01 has wnrked ZIAA, 2 B.\I. 2mt. 3BL, 3JP. ~BO, 5DA, 7AA. ,Rr.;..

'I'll<' fulln,,;nl' ha,e b,·,n recrived. Z2.AI. 3D0, 3BG, 3Jl 3JTT 4G£, Zl AA. 7,H F anJ 6AG (W A. 1. Mr. Si•hultz woulJ wekumr n~p •rt:; Irmn counLry e~1,,~ri1nentors,

f. Ua,sett, Bede,-, lo~~ed rlic following during April. ;>n a sin~le \'&Ive rocel,er:

',.S.W.: 2mr. 2CQ. \ ic.: RDD. 380, 31lM. 3TH, 3Xl,

3HII. 3BV, 3]N, 3EP, 3ZL, 3.BL. :'I.-\ : 5BQ, 511C '\'2.: l \A. IYN, 4CQ, lYB, :?AF fas.: 7AA. ll5.-\: 9MC.

i====m=_"""'""'~:~l:~~I~;~~~~~:]~~£w,:3,~,,:~!·""""====~=-; lit•J111ine 1\;d,lwin 'P-hont:'s 17 ti Fixf'•l f'oadt•n:-101·~ . • . • • . 1 0 ,fcfl'ersou 1~1) . . . . • I 1-1 11 = 13 Plate \'"ar. C'nntlen1'cr . . . . . . 1 0 =

g Y,•rnier Ilheost:1t IK. and C.) . . • fl U § § l'IUJ.."S \take :J pair 'phones) . . . . a 9 g

:_; :::i,:!J,;:;~y A FEW. OOME AND ~J j _i

PRICE ' S I 220 OXFORD STREET. WOOLLARRA. I I Ph, .... ,, "'"'· ~51. (Porg~t A.JJ o~;~'';;}.,., Ni/{llt till~ j>.lll. I ,illlllllllllllllllllllllllllllllllllllllllllllllllllUIIIIIIIIIIIIIIIIIUIIIIIIIIJIIIUIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII~

OUR STOCK OF "MAR-CO" PARTS IS WORTHY OF YOUR INSPECTION.



11 v, ~la:, J•i, J •:!-1

(' A. I nu.an 1_f;l I 11,..-l,l,1,, \ .._ \\ n Ut l!J fl_\ r, purl. Tl e

IJ, w µ tall ,n.,. havr- lu·u lo~,:ctl on 11 r .an,t nor cl, lrctur

I nt• H \\ I :!ZI ~ldl\l, ~.\I( L ~ ~ rn 6 ,n,. 6 IR B 61lB. 6f'C."\'\,

ll>f, 1,X\I> 6K.\ l,JII. M I. (,t Ill, 6H":K f,.\\H .nr 7/\\IZ, 'IZT. '1\lC: 911 I

'il 1C\'\,1 I\A, I\K, I IC.. 11"\. Al 21,.A. ~Al J.IQ, 2 \S, ~\L 2AJ, IT \P ,HF, 2 \t.. 21\II. 21 "\ 2

XI \\ 3\( ~.\L3AII, HK,3\\1 H 1"\I, 1\ll, I\C 1\11. l\G, H

K 4 \P. \ 1 tc \'\ l · 'lllll. Rf f'R. ll\, BT.

BQ. [HI Ill'. Ill'. LI'. II. Jll. 1111. Bl n I)\'\' OR, R\

I ( \\ .) 7A I, !lit B\, Ill., \

ltachm~ hn lri ,lnH• "In <'11-,.

1=1 y, 1lu fir"I 1h111~ \'u1~ W.:tnt

J bi t p:rt on tht- hrik~ .. ..,h ''\\h~. I 1lro1q.d11 11 tlu with

ar' .,_Puq,11· Pan 1 ..

WIRELESS WEEKLY

Bf((l_\fll ,,n,,. In I 0'\1 1\11· n("~j• •lt· Roh n\f'f l'nh 1111;1,

\\ h rrf\.n n c 111 iii fMlt''11 • 1l1,-.

I Ult~ I '""N'" 1he R111iu C1rpunJ1i(1n "I \uwnnt ,tnil tl11 H1, ,lt·U•I r• th<" Wa.-Lm11t,11 llttKl,I -.1, thi folio" in;:

\\ h;i,lr\ r 111.n hr 1h, ,,uh 01111 of lhe ll.ut no\\ p1>n1lfn1t c·unH•r-nni,= 11lr~1.J inrrh,1,:•Uhnl 11{ l,r(Ull1 l l tt~ 11 h-111, ''" ,1, r .. uf re, f"l'\'in~ .. ,•11- in '\\ a-lun~un IIUl) r~I .11 .. •urrtf th,1t• wdl I~ no 1111

1ailn,cn1 of lhf'I pl,..a.-.un an,I t'nlt<r ta11t111 nl tl1r\ lut\1 ,, lonv_ rn1••~r•l.

..;,,c:-ft'Wn 1t l\,~r hati mu,l.• it pl,un tit 11 ra,fo, lnnad, ., .. 1111~ will l ,,n ii Ii.ha"' am,thimr to '"-.1) .,huul 11. uncl th i.lt'I i.l 111.at. iu L,:t ,fliru1 1~1t1on11 1 )l.;l!I 1'f.ll t1r.1lh oll to Fi.a) nhnut It,

.. , 1)('1i'"" 11 .. 1r~ '° ft.n, uw!"Jl-4''L·t•' ol da1m• un,for t•;Jl<'nl, un .t111•ar-.uu--1h i1 hruaJ,11,1,n,e: 'Mill nul rta"" unJ Til"'ithn .... m il tJJ pul1li1 Jll•hc,· allc,w ll In l,r.c,01111 mm 1 pol& ,-,I," •o1td :'"i1..rr, t,1n Jr.,o,.t-r ... Ju tli" l,,,,·n--m" .. ,.,1t m 11111 in r .. u,. h\ 1111• ,I p1Hlrr11 Ill. 1li hf •• r 1 1,rno,I, ,l<.;l n,i lu~•n- j .. li.uutt ,I In 11,rr,~ 1111,uth!', •11 dull no \t tr•d na;I t cant~ nh1.110r,t tnthtr 1r1 1 -.a,r 1f'l1JI1h or 1 l11,·u~

~1 .. ,dltrf JI ,nf", r ... itid ii ,,,nulJ },e

lflo"I 111tfuf1Uftllf'1 ro, tlu \111.-:111 &Ill

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14 from 1t11 -,t.1:1111lpotnl c,f thf' 1''-"0,Pl1•0i,

1111,·11-..t, 1lif' tlll li11u 11( "''' 1hrr N 0111 hro,td JMtin.g 1 ... for ~lf•>fn ,,. nnmatcr l.al •• 1,,011n11e•l !,f'<u·f,lry n•JMt r

f'he-1r-lur~, 11 )'OU h..1,r a ra1lw ~ t, pi I kr p 4 n turtin~ m • rul )nll c:"l,n he 11----11trd of ;1'11.i1p: \ol.lhll \dll w,,nl £wm ""''fl' )nu y, 101 u Tli,· numhrr of 1.~,a,h.1--t111£: ... 1...11u11ut 1- 111,~ 111d "'ll r,,111111111 lu I,~ 11n tin 11u 1, ,t' Ulhtt th 111 tl1" 1Jn·tN.-.1• 11 ')oll luur nol

)rt !.ou~fo \our ra,li11 tltl, 110 nnt lf"I 1h,.. .... , ulk,1 w 111111,hlr n d an" de

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FEDERAL APPARATUS NEW

I ut1 nt1v1 1 tll"'-

C II h n1 n, 11 plnt,• ftl f', 4. pl t.

( 11 11 II ,

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l 1hom•1, .!:.!tO nhm11 .... , I' H 1\

Wt ~lso C,lrl'} FEDERAL Meters, M,crophonrs, rhokes etc., for tr:1nsm1ttmg.

THE HOME ELECTRIC I 06a K I N C ST R E I:. T S Y D N E Y

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" ,1~:mtm:i:r.i:.;mmmnn r,,, ,~~:ttmi:mt-ll.~'t~t~m:mi,:1:Nm 11111 ! 111: Iii,, 1, u I J rmuw .. 1 I ".:·;::;::.~:· Wireless Stpplies Ltd. ~-~::.~:~_;::::, · I THE HOVIE OF THE •vo,.-.x• RADIO

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0- 'l'I~~~:;:.,:'::=:,: ~I:,~ • I ojl Ir -:-r •~ ,. I• ~tu ••·", •• T .....,..-1 , 11<1,t ¥9

fu ••• ,._ II......., u, •t t1-ri.1v L •·1· - h ,-...:.. ~· ..,_~ .,

mr£Z£XllED JU.ffl)• )l.•o~oc.-...,. n-n ~•i....r~·,

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L ~ . .., 21 ROYAL AtADE1 SYDNEY "'• .. ..:....~ ,.;•h,. ..

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~,,. I 7 :.;... ~1,1;;. ~>nlt,,,,lno l,ilttl,I 1olrn J.Mo f.,•'fl 1i I" 111-.11, "' n~ '"" ,1.,, JI!' Jl&ll3lf.llllU':Jl'r'ffl M'AAJU:i1'7I:.VCITUA110lf

•.t:m.,'tt;;:'~;; 1111 ! 11 I i f I I I I , I I t~i:';Zr~~;ttt:1:1:m~~- · , 'T"'""' '10 l"A1ol. , .. ro• CD .. flNV#l'TIQN CH •11.Ji::c LHI



12

Tit£ EXPERII\IF.l\TER">' GUIDE

There ure \Orious 1ype!; of r.1tlin fon.s.. 111c radio eXpt~rimt>nkr 1"'- onr wJm hu~ 11ouri:;herl rnther 1hnn nut~ gro"n t.L.1t creali\e in~tmn '"hirli in .-!1ildhoml proroplctl him 111 huil,1 thP l1lorkq u11,l1 hnl-ing ft1h liw m11u~L.lry thrill oI prodi~iau• achievcmenl, dt'· ,noli-.h~ hi,:, nnlilr• v.nrk l\ilh 11n1· p:_,,u1l liloYi.

Tlt1• OdJ 11f rndio ,•x1wri11wntutinr1 1.:;, on~ of Lho~c weal 11pcn ...,,1o1cH. Wlwthcr one entt.>r~ it 111 1rvolu1inm-.e-1hc an or ju,t for 1hc fun of buH<ilug ..;omethjug that work, onh to trar it down ~uul r,·plnr,• it with s1\1llP

thin~ thol m~1, nnl Wt1rk, the ...,ucce~;; .,r tlu.• \'l!ntura 1Jr>JH!J1tb, ma.in]) upc1n t.hn"f" ttfwn .... ,,1,n.•11-1, 1-1 \\-ii: Thi:" am mmt t1f 1muiunati11n \\ i1l1 ~,hich nor i" l,h"••·•l; skill, wl1id1 ,·omcs with prac· un• an<l patit·u• ,~: aml, rhird, the ma• lf"ritll with \\hirh Wh.' wnrk-i.

11 i• ,.,,It the 1hird principle that tl,i• ottid,, lta., to 1leul anJ II ,, prin ,•ipalll In ttw ht1Rinnrr 1h:11 it is ad~ dn•i;.;"fl. Rt-for,· tuk.inl,! 1ht' plun~~ it wuuJ,I hr \n~II 111 mt•mur iSt• tbt· fuJJow• inf!; quota.Lion fr.-..m Shakf.,-pearr, sub• .... 1)tnting ll1t· \\on.I upnrti,,:·· (11r thr \\11r,I ··11.11,it"': <:o,tl), 1hy hahil a< thy pun,., can buy, But n1•t ._,,prl'SE1•4f in fnncy.

\Ia11y I s<.•u1ionNI rxpcrimenter, nsk .. J con.ccrninl! 1he na.rnt- or function

WIRELESS WEEKLY

of m}~le-ri1,us looking objrct.s in hts labt1rotory1 hos answered, "O~ that is JU,I a pile nf u,eless g,•ar l c_uliccleJ hdure l,·~tning tlu.11 the be.t i~ none f1111 gn,,tl.

Tlw mo-..t 1•XJU~.ushc is not always the ht•-•• Lut ti.;.,umin~ that tl1Pre is svme fouml.11 iun fur 1hr nft rrpeated maxim, ... You r::m·t gc.)t -.:.nmething for no• 1hi1t~.'1 price i-s; J ~ood p:cncral t!uidc 111 mnir.

C.11nclr.~n.,.ftr~ art• a cnse in point. The mnrr. e'<.pen ... h·r mo.l~s 0 11 the market ,,..,foy ure L.i ru hetter.

"J11e rndiu amatrur ,.,.,!io built.I~ his 11~11 ~l't ha.-: br-cf\tnt: critiral nf work• m3n~hip and tli~.rri.tnina1in~ m1 points nf tffiri~rteJ. n~ will no fon~••r pur-1.•hJ.:.t• H HtriuLlc condl'n~r with frklit,n 4•onurrtiPtl Letween the mouthle (Hirt unU ,drr trrminul. It mus1 he JITOJ)f'rlv "vip:tail,~o:· ahnt ll:1-, tnllit ha"' a ll~~ilile anrl neally snldereJ runneNion he1ween the sta1rtr and h1111Ji11~ Jl(ISI.

1\lanufn, tu.rer .. \\ ho ha1re r.mne tn re• Jli~ 1hi'."I urP tu..rninp; .-..ut cont.leos~ \\ ilh nu·1al hf'orinp, ~u th.at 1hc rotor .1,1,1

'- nt1l ""lihlt•. Tr thr axis ~impl) 1" atm k inlo u h11lc..• 111 tlir hakrlitf\ thr 1·ftndrnser i~ nnt du.r.ublt. The l,i,Jc "ill enlarge so 1ha1 the mornble r,lates will nut rcmnin in any fixed po· ,,lion There ,·an be no play in the wrll halancecl, solid ly t•onstrurtcd var• 1al,lc 1•onden~er. A lwn) ·"' ltuy thri!ie

Fridny, M.t)" 16, 19~4

1he rapacity of v.·hirh i!-i rated 10 mic• ,·,,farad• nnd not ~,rnply by the num• her of plates.

ln "::il.' l~ctioe; Hxi:!d c.:uridc.nacr~ ~queet.t: 1he siJ,,. b,•lwt•cn Ll,e 1J1umh ant! forefing,•r. LI lt is n"t p~rf•"·Lly 11nliJ iL-1·c1pilt it--y i~ nu mure (llf"d than the rild-t imf'" trlt"~C'Ope suit MSf" .

Other appan111s wilh movable parts !>UCh as , ·ariamctcrs- and v-ariocuuµlet9 ,houl,I be purdrnsecl with the "3me care. The I-utter -;h.onltJ hr wnuo,J on bakclile and not '"" heavily encaserl in sheller.

Vacuum 1uLi•c; art· a~ importaut to rntlio a.t, c•arlnueuors are In 11u1nmo• hil~s.

'flu~ t·haractf'ri1ttit~ nf thr ,·,uiou" makt>s and degiJ?M <hnu.Jd l11• stutli.-d in t.!.eter-mir1in~ the selection of the. pro• per tuhe fnr :1 rertain duty, r.enc-ral• ly tubes may be calulogurd unrl,·r two heads.. soft anti ruml. Soft ntl,es fw,e· I ion heUer a~ tfotectors anJ H"()Uift"' a lower plnre ,nltnge than ,lo amplifier< hhkh are nsually lrnrd1 that i"', the vatuwu b. nearc.r ptrfcd.

Th~ vurd,a,;,,r ,,f ruin~ .bould r~ly upun the direrUnn~ fumi .. lietl by the mnr111f1 run:ri-:. The filnrrh·n1 Hill.1µe ret1ufrc.-d for uny tube clercrmincs wlie• rht•r ii .. lwultJ ht• 1•JJL•ra1, ti \\ith ~tont:?1 hatlcry or ,lry cell•· 11 rhc fila, mrnt rnrrenl is more than 0.25 ampc1e a --tora~c hallf'ry is ncee~~ary for econom icaJ upkt>ep.



WIRELF.SS WEEKLY

11111111111111111111111111111111111111111111111111111

Together with the FREE SERVlCE of

Broadcasters (Sydney) Limited may be obtained

L. P. R. Bean & Co. Ltd.

:?:.'9 rasUereairh St., Sydney. Telephone: l'ity 353.

United Distributing Coys. (N.S.W.) Ltd. t Wholesalers

2!1 L:lttren,·~ Street. Sydney. Te!P.phnne City ~566.

W Harry Wiles !ill 1;:i i.011 hum ~trret :-!y,luey

T~lc)lhc,nc C,ty 3688 I door from Pm St

°W'll'eleu Supplie• L t d '.!1 Royal Ar,•atle. Sydney

TPIPphon .. : )I ".378.

E. R Cullen !16 Bathurst Street

1'Pl1•phonr,: r.ity 86!1, 2596.

from the following

R&d.io House

61!1 Geor~,• SI rrec Sydney l'rlephou, .. Luy HI.H

Colville-Moore Wireleas Supplies

lO llowP Str('e( Sy(l.ney.

T..tephonP · B::!:!61

Ramsay. Sharp & Co. Ltd. 21i Gror,re Street, Sydney.

i'eJep!tolll' '. t'ity ;l! iii.

The Hom e Electr ic

}()6n Kini! RtrC'et, Sydney 'J'elephnnr: B 5565.

Swains Ltd.

l l !I 12~ Pil L 81 rt'l'I, Sydney

13

_, ...... , •• , .................... - .... ttflUIIIIOUIIOHOUllftUUUO""UH• Htouu•un1uu,111,111u1tHUOll"IIOUatt11u11t111111•1uuu1•u1,,,11,n,11• 1,,111uuu1111••···"'•-u11111u,1111,,,,9



II

' WE

r \Vi reles;, ·~~~ek~-·1 i I

I SlJBSCR IPTIO~ R \ TES i

I Single Copies . . . . . . . 311. nt·t I 12 mcmthh f52 j,;;1..uP~. 1::1/~ pfl..;t 1

r re~.

I 6 months r26 1s•uesJ Ii 6, po,t

free.

All tommunirati,m'- tn be o<I dr~oscd lo the Editor. Wireless \hekly, 33 Re~en1 St .• Sydney

T..J,.phonr, l'l<"<lfern 964. A II advertising and 01hn

malll·r fN insertinn •houl<l be in the lurnJ, nf the £ditnr l,y friJay.

A II copy muo;t he written Jn ink or l)'pc!d. and ou one sid(' ol paper only

Arhert161ng Rates on apphrn-tion. ,., .. -------•--•!• ,... ll

WIRELESS WEEKLY

"Che Hroadcasl Bride

'10h. l mn goin1; lu lwve !iurh a 1uvt'·

J, ¾;•tMiug.~, rrietl th'"' hriilt.· in ec.sta.sl "Tiu• '"'1.ldin,r hells are to ring from F\11 . I he raJio amplifiers UTe heinp put up in th~ ltn11~f' now. We're toinl,! to µ, t our Lohengrin from JOX, just

~ruud,•.!'"f orAa.11 • .1.rnJ our ..\lenclcl~.sohn mnn-h rmm h.Pl: then•·~ a malt" rynarl<l fr<1m I.YT an,1 a perfrctli adorahle ,y,oµluur~ urdll'"-Lr-a from ocr-.t; !hf' mini'"'lr-r will pn1mrnnrr n~ mru:1 and ,, if1• from A7R, anti -pnpa. ,.,.hu'-. on a l,u .. im·..._, 1rip. '-"ill ~h•· tnt• away frnm l'IJII."

•• \ntl 111--tlw ~ro,1111 '!"'

"I !h. l'gh..-rt has a:,rrrd lo Ill prr• "l'l11 • 11 pt•r-.1111 H po~~iL1e, I.mt if not h,:11 ,1u•al.. Iii• 'I will' frnm RRR."

man Ill a theatre looking for ~nmt-thintt: h,• had lost on the floor. •'"J hun· ln~t a piece of caramel."'

·1 h, Usher "N,·"'' minol a little tlnng like thnt. Dnn'1 you sec that yuo lfff• diHurliiup- the whule c.rov,aJ?"

Tl1t· ~lan: "Y,•s. but i·ou sec, my ft.-f"th tJn- In i1.1'-·•:"Jpw Dfp-t1rture."

l'riday, .Mny JU, 1!>~4

'"\u1 saicJ t11t Englishman. 1'hut ... hr. ""a.:-. thert-. w1.1-..0·1 :-h,.? h 1-. nnt m\ foult you rlitl nm want tu kis< her." uSt.•ootH.·1

"(;,,,h, darn ill J can't rNncmher whether J loltl '-tPll3 rd mee1 her al f.,urth ilnd F'ifth Ht s:i,r, Flf1h and SiHh a1 four, or Sixth and Fourth at fi\'P ! .. _uJt~tl~e,"

"Why were you so long on thal errand i Didn'I 1 say hurry hnck'?~

"Ye,. hut ynu didn't My 'hurrJ there'·· "Life."

~1.istre!:-:-, 1• Jn~e(.lhine, -ynur mnnth pt

,,pen-" Jo~t:phjn1.P ··Yt:~•m t opf>nPd 11:·

~ra~-.. .A~git> ~ri1.Uh.

illlllllllllllUHlflll.;~;111~~:lttlllOtfltlllllUl!lli ' :.llotur Geuern.tor Set (at pres· : 1 ,•11 t use,J by :lillf. Sp,•eilii·a• 1 l lion: Motor 1/5 Il.P.. ~40 1

l,=,,,,,, volt. 50 eyeles (General Eire ~ tri,•); Genera.Lor: 220 volt8, 500 m/ A. Price on npphcn tion to Wireless ~upplies Lt,l. 21 Roynl AI,•oa~. Rydu~y.

:1111111111111111,u11• 111u1u1uu1111111111111uu1111111111u11111: r-·-----·-- ·-·----·-, ,

! I

I I

I

Why not circuit to stocks at

-9(q_dio r3omJJany Limi,~d

15 LOFTUS ST1?.EET Cinular Quay

S YDNEY

build your own set. We will advise you as to the best use and can supply the necessary parts from our extensive nominal pnces. For a small sum we will assemble and wire

the parts guaranteeing the resulc.

RADIO COMPANY LTD. 15 LOFTUS STRE E T, CI1WULfl1? QV flY

SYDN E Y

I I ' i i I I i

I I !

... - ------------- ----------------- --------··



tn

1,,

ut ~•ner or lat ... r 11 "'111 h.-l'lur "n h'• mm n,l

pr cn1 a1 ran~ 111 t I 1• 1hr

OUR §PECIAL LINE

PEERLESS Iiead Phones

ZOOO Ohms.

30/-

WIR£LESS WEEKLY f.!lu111,11u,,,,1, 1t11n• 1n11,, , .. ,u,u111n,,,,, .. 11,,n11n,,,, .. , .. 1111un, .. , ......... , ... , ...... ,n1HHlllllOlfUIOI" llllflOHll

!:,::i·,,:.,:,, SPECJ AL .\~~OU, CEvIE~T W,. are ve,y p!ea>etl 10 announce that we ~v• complt1ed

Jrr.ngemenu ro .. the pubhauon of" ...... of lrttdn by th," Lmlr Amrncan."

This .,,rte> will commence n••t """k and ,,.,..11 du! "1th the subitcts m,nnontd below. Ea.ch article "1II con tam r.he full.,,,, dt1Ji1. together w11h • full h<t of part, "'l'Jtrrd ro makr the r<erivcr r.o which tt refers.

1. Rem.irtt Tunu

15

Fl I l a. Etla Rolle>-2. ewe 1mg amuc b. Amr;,d Rrffeo : 3. Hackness Retlr• -1. C.xl<aJ..y Four-C1rcwt i,,,•-

5. Auto-plcx b. Ultra Audton

i: ~~:;~;:•:pa Regeomuve /l cube and l rubd :::_,',,, 10 Superd) ne {lac.-11 11. Supa Hccerodp,e. 16. 8 and 9 ,·al=I

-,-\-,-n,-•-rl-.-.-,-.,....-,Ne ctw wi- .- p.,.th _.,tr br- rrf"rrr-d hl tn l«ch 4mtll" to tsi,u: i

rrKl.,rrs expc-nm~ang with m~ 'e'oU"IOUJ. ru't'UllJ -111 no( be put to an, :,==:··

~nn«nu,y np·n.e _

&> ........................................................................................................................... - ............... ;..

"RFFl.RX" Loo,,- C,-,urlrr R..:e1ver

£3-15-0

Complete Set of 'PaTts lo make the abor.'e Set 36/6 'Po,ta,, 1/6

RADIO HOUSE 619 George Street, Sydney



16

TIIF: LEICllHAilDT ~'-:D OISTKIC'T llADTO SOCIETY.

'l(n m,·1•tin11 ol the TeichharJt un,I DJ,,,.uict Rat.fin S(lcielf ha~ br,~n rnor1• ent.hu_to:ia_.,.tir. nnd ct:rtuinJ) none have he~n hNlf"r artendt•d Limn thpt hel<l ar tbe duh room, 176 J olrn<1<1n St., \n, nnorlale, on Tur•day. May 6th. In Iott 1hc roll.up of mrrnber1:.1 ,,us a rr-ronl nn<.·. and \'Cry irroUf}·inJ? to I lu~ olJcr Iut>.mher!-- or the· S1JciPIY.

h wai-, Jiu, twentit'th- monthly liu-i m•~.-. rtk<·linj!" aft er Tlw minule.!l nf the April me.1i111!' hod Leen read en,1 ronrirmrd, Hv•· f1P'\'I applif'ath·,n- rnr meml1rr-hi11 \\('Ct" nnonimnusl) an•ept• ed by the m•~1in1?.

A con~iJ("rnhJ~ amounr nf mhor hu-.1-nc-5,c. \<ini.. ~tl'alt with. lht> rnoqt im-

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portnnl lwinJ! tht9 forthrr ronsiJP.ra• tion <if thP qtw::--tion nf affiliation with the Wirel!'5-• Tns111uie ol Anstrnlia. Thu ,is1I ,if \Ir. Plul !l,,n,ha" to the pn~,·iHll' Jnt:>t•lin~ had g,;me a long way 1rm.tnl-t ut--..h•fing mrmbers It, come to a 1lt•d-,inn rf"t:111rclin.:, tlli.!3 importalit n11111,·r. and alu·r ,,·veral memhers !tau ,;;pnl..t.•n iu fo\·ourahli• lerm~ rowards nflibtion, il mutiun wns rut to tl1e mrclinJ?- 1lrn1 nfTilia1 ifiH 1,e t·urritd out ul nrn•c .and '"a.. carrictl unnnimou.sly.

"- hullot '"" 1hcn rnk,·n for the purpn-..,. nf elrc:-t ing a delcgatt:" t'3 rcpre~rnt thP 'nrir-1y a1 tnf•etin~ of affiliat• 1•(1 duh<; a11<l .'-!IIC'iPtie,,;, with the result that ;\fr \\', J. 7,,-,·h ""' appointed to 1hr po!-.ilion.

'-:,,,1 Tu~~clai ni~lu the 81st itcn• n:il meftin~ will lie helrl and u ''sale aml ,·~• hJflJ!t'.. rvf"11it1J!. conduc·1efl. '\frlHhL•t-. .trr invilf•d 10 lJr·ing a1rmp: '"ith tlJPm any l,!eJr for whirh d1cv Ua\-t• no furtht·t' u~--•· :0-(1 that j1 fil.il\ h~ .;Ol•I. or e\t·lw.n;n•1I fnr t,thrr appar~tuE. o~ tlu·y -...o ilt~.::;in•.

\1 the 1!2n, I ~•·n,·ral mee1i niz I<' be h,•ltl nn \fay 27tl,, tlw 81h lcr lure ,,f 1lw ,-1Jabu-"Hndi11 frnqucne, Arn-

Friilay, Mn.y 10, l!l~ l

plifieation:· will be rlalivnl'rl hv \I F. Leu

lm1uirif"""' regardU1,t the nr.ti.-itics o 1l1r Sodely art· ah-..·ay!I wP.kom,"t nn shou Id be autlres.sed tn 1 lw Hon. Secre tary, '\[ r. W. j . Z~h. 145 Bo111h "I. ~nnanJale.

~1 R El ESS J'.11:-TITllTf. OF .\ r,. Tll'\J.lA.

Ne\\ South Wnl~• Division. l lw next m eeting u£ thig tli,.·isi,,

"ill lw he ld 01 the Ro,~I S.,cie11 · Room~. ~ Elizeh,•1L SL,

0

Syrln,•y, " Thur.day, 15th l\Ini. nt 7.-15 p.m. whe Dr. W. G. Wr,(,lnough will leclur, o "'\\";np~ r1e1'"trirnl and ntl1t'n-.;~."

\lrssr~. Phil !l,,n,haw nnrl H. ~towf• nrr leaving for '\f Plhnumf- c, 1h, 14th '.\fay. to a11end a meelin:, o the fl'dcrnl C:nun('JI of the Wirel-.s To ,1itute, which will be held ir, Mel houmc on the 16th

'llntifl' In C'luh Oelegare-~ A m~et ing ,,r r.Jw delegntcs C',)Urn:il .. r the nf lilia te,J ~nriNie,c. "ill be heir! rn th fm-tiluJe\, OJ!icru,, Jlooru 2-1, -.·con floor. R2 Pill S1rrel, Syon,_•>· "" Tue• JaJ, 27rh \Ju), at 7.30 p.m. •hnrp. \I

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Fre~J1nrnn (•orllinuoutdy ,-uriahlP Grid L~uk~ Bt.1 Ly Ilr<>wu Loucl Apt•akel'~. Prict" ..

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. . • ' . . • . . . . • . . . . . . . • . .••. . 1/,~ f'r i1•P ., .. 0 , • , ,. • • .. ,. , • • 0 .. .. J:1/7 /6

W.D. ll Tnbr Ro,•k~I ldo1,1nrs. l'rir<• .• Il,LtJJltl.r \.ila pt ors. Pri1•,· . • , • • • , • • • • . • • • • . • . • •

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\ "1'. ('11 utr,il l'uit,, 1·ou1pl1•tr-. l'r'i,·•· • , . .... ;,. •••• ~~- ·+;

DAV ID JO NES ' Radio Section, 252 York Street, Sydnev



WIRELESS WEEKLY

AN EXCELLENT SINGLE ll• \ \\. T

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17

VALVER

'Jlo Oh-4 1ll,11 )un• •~r the liel m,1r he '-toppc-d t,, n-ducin~ l·llht.•r the fila mrnl nr du .. 1•1 lit, "'h,,~6.

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18 WIRELESS WEEKLY Friifay. ~ta.-· lH, ]t1~4

The Moore Fund R. W. Faulkes .. .. .. .. 0 2 6 (.;_ E. H. Blonrhard 0 JI) A. Dixon .. .. l 1 0 F. Lucas .. .. .. 0 !!

F'll'\AI Lf51. J. Lcndlaw .. .. .. .. I 1 0 Mr. !Jowell .. .. .. 0 IQ Proprietors Wireless Weekly £5 0 0 C. S1orm .. .. .. .. 0 15 0 Marrickville and Distrir1 Uni1ed Distributing .. 10 10 0 H. Caner .. .. .. .. 0 5 0 R1tdio Cl ub 0 10 Mr. Quaile .... 0 10 0 A. Lark.in .. . . .. .. l 0 0 Croy,1011 llJd.to Clnh .. I I Wireless Weekly S taff J " 0 E. Mason .. .. .. 0 5 0 Leichhord1 Distri,·1 Radl" P. Renshaw .. 3 3 u N. Ambrose .. .. .. .. 0 3 0 Society . ...... I 1 .Mr. Jnnes .. .. 0 10 6 J. G. Prichard .. .. .. I 0 0 Nc><cnsLI~ Radio Ch1b . . L 10 C. Tavlor .. .. .. 1 I 0 Keith Davis .. .. .. .. .. 0 5 0 N. P. Olsen .. .. . . l I J. W. Robiusou .. I I 0 c. Lean,r .• .. 0 5 0 L. I' I{_ Dean and Co .. L1<l. 2 2 F. Dasi! Cooke .. .. .. 1 l u R. Searh 0 2 6 J.,hn Danks and Son., Pty., U. Sandel • . .. .. .. .. l I n Campsic and Uj~rrict RaJio Ltd. .. l I Mr. Allsop 0 IO 0 Club .. .. .. 0 15 0 f', Hoffnung and Co., Ltd. 2 2 J\1r. Saunders 0 10 b A. E. lfonri 0 5 0 \Ve~tern Electric ( :,), ( .·\u._, Robert fl. Doyle .. .. 1 I 0 Charl,•s Tripi' .. 0 5 0 Ltd. .. .. 2 2 Mi,- Day 0 ICJ 6 \Tird~ss ur~nd, fl' M.G. De- w .. tem Suburh• Amut.:ur A. F. Price .. 0 10 6 pnrrnwnt, Mc.JJ,.mrne) .. I 8 0 Wirdcss A&!ltw1atinn R. c. Marsden l l 0 lllawarra RnJin Club .. .. 0 10 0 (;. R. Chnllcn~cr o JO A. Dare 0 lO 6 T. E. Di1.·kt"OP,rltt 0 5 0 ~or1l1rrn Suburbs Radio M. Mcln•osL .. .. 0 10 6 ~11,t, RaJio fie la)· League .. £1 I () A~~ociation 3 3 Colville 1\-loore l l 0 l~••ullmr-11 s DJ~Ult:l fiadio llaning1on~ Ltd. l I -. llerker 0 5 0 Cluh l\[cmherl .. ~ 0 () 'I. L. !\.ft-Kenzie rVk.l 0 5

Sanders 0 l (l Ed1,.;.nn ~\\Jn Elertnc Co. l 1 0 ~cw Sy><trms J'oolephones (:oncord Radio Club :l 10 6 w. Harry \t'il.- I I 0 Pti•. Ltd. 5 5 V. J. M. Darby 0 12 6 Farlllf'r and Co., Lul. 5 5 0 "Vic." .. 0 7 Wireles Institute 5 5 0 F. T. S. 0-Dnnnell and "'•vcrlcy Radin Club .. 2 IO J. Usher .. 0 5 0 c:riffin Lt,I . 0 10 6 Wireless lnstitme of Ausira-D. T. Hincheo .. 5 0 0 0 F. \lingni 0 10 0 tralia IS.A. Div 1 • • .. 2 2

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20

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Before you

Expend

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I i

Consult

Anthony

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Wireless

Experts.

Your inspe c

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that is new in the world of Wireless,

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(Wireless .. Second Floor)

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WIRELESS WEEKLY

ROZELLE 'JR.'\MWAY CLUB. Go<,d pro~r,>.:..~ b hcinF,! 1nn1IP hy tl.i,,

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Ask for Grodan B rand Tt1l 11", 1111 ~1 1l11r,, Y1ru1 f ouplf'r "-!i:,tp,, "·o,ul Jo:11.J .. , t t 1•,, t\·. f .-,rr,,.-:::po11rlr11l, iuvit.,,i frnm lub-•r .. t:itr- :rn( ('11nntrY Tl1•11l t•r"'

GROSE & DflNIELL Wholl'li.111" '-'"I~

63 M ountain Stro,t

LOUD SPEAKERS, W/10/· to £17/10/ ' PHONES. 25/ per ~et . COLVILLE MOORE LTD.



The Colville-Moore Wireless Supplies Ltd. 10 ROWE

l'Jn,·I \J,11.-r,al , ut '" -i1.,· ,111<1

STREET, SYDNEY

\, ... l'rir, Li-L. "('t' l.1,1 ,,..,,1..•. \hrt•I,·-- \\ ,..-klJ M



WIRELESS WEEKLY

WILES' WONDERFUL WIRELESS W orks Wonders

Alteratious and Additions to our list R 4.

.. ..

201a V .. lves now 199 ..

WD 11 .. WD 12 ..

Jefferson 41 Aud;o Transformers .. Star

Nutmeg .. Atlas Loud Speakers Nutmeg 3000 ohms. H ead Set s;ngle Band Phones T .M .C. 2000 and 4000 ohms Head Set Murdoeh

0

s 2000 ohms Head Set .. 6 ohm Rheostats. wound on Po1·cela;n Base

35/-35/. I

35/-35/-35/-

27 / 6 30/

£7 /15/£2/10/-

18/6 35/-

27/6

Rad;o Frequency T ransformers 200 to 3000 ohms 7/6 45/-

Complete stocks of all parts for Amateu r Construction. Send in your name and address to be added to our mailing list and we will advise you regularly of the arrival of new pares and any alteration in prices to

our regular list R4.

w. HARRY WI LES Electrical and Radio Supplies- - 60-62 Goulburn-street, Sydney

l

I " 0-. '.. ''" ~-, I ·-·-·-· _____ ,:_,,= 9-0~ __________________ s.irn_ . ::~·:.__J

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