RELESS WEEKLY - americanradiohistory.com...F bni1.1.ry t1tt\ c-b1ldrf'n's lavorit.t'. 'Hally Hum r." l"Oruplett'd hit Jftttmd 3·._-.a1·

The wireless weekly : the hundred per cent Australian radio journal

Page 1nla.obj-699342489National Library of Australia

RELESS WEEKLY

Broadcast Progrrunmes a Week in aril 1ance

VOLUME 9 NUMBER I~



r J.a7. h \1 h 1'•2-: Wl1'£LESS WltEltLT

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SON --- 2k'-' ~ :__

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Frtd4J, ]~27. WIRELESS WEEltLT l'



Patfll T o • WIRELESS WEEKLY

LAST DAYS! - further beavy reductions to clear!

Ha ,r,natetn, Radu, s.1¢ h .. Cl'Hltd • ~e.oo1•tu:,n !",r., DrHhc Rod1,1diori• 1anil ltu i 0 Oi• lO\.lf\t ,n "•di .i! maLf" final •ad doubt~ •tUuti.,,~ c,lf•t• 1h•t ., .. ...,,lh8'11 pa,,.Hrl

lrn.[l('1 .. ~ N.-u1rc,! d,.ils B.,kelilr l 9 I. ou,I '-p,-.,k.,,, I 1111mon•) .£2 3-< o,I I lolJ,-,_ 5 /.

Cr)'&ldl "ds Iron, I lradphon,., from I \lah,. :\rnphfirr .!-uh,. Ampltn~r

38 6 George S treet, S ydney At :oi.0 \ I

26 7 6

25 • £2 2.

Hurry! Hurry!



1111, 1, ~ ... 19. rRIIJA\, MARCH 4, 1U?1.

The Lowbrow Wins

ti I h lh 2.f C

el tetl Beetho~en ! oil th da kn! m

r,



Pago Foll!' I WlllELBSS WEEltL'I' ______________________________ ,....,_,.,,, _______ _ Between You And Me And

The Microphone

THE FUND, lnit!Atod by th• Lon don D ly Nl'W for • u PIiing 8riLI h Uirttlhlµa wfth brua rrt.rt title of Mr. Bo.:,k, how. t"Vt-r • t ,. 1s n~ ~lrf(!nlly dot\ to nm ir.to many oo.iUonJ and at th~ f'nd of t'.&th 31enr "to b~ continuP



f t11 t' :· h \f ,tr h. let 7 WIRELESS WBEltLY r ll"' J- lfl

H T 1' 10 l.o•dot1 b

' ,. cf

Microphone Sense and Radio Effects An -0nnounccr'• ob~crt·alio11• of the 11 "" orltM-8 act u_·hen bl.'lorc the micraplwnc and his (';q>

arhfiC'iol sound.

By LAURF.:~CE IIALBEUT

'..her-~1ze Burgess ror n~a,, l urn nt llrnin_,.



WlllELESS WEEltL1

The Story of the Microphone How Emile Berliner, a German, mode the first microphone, i~ f()fd in hi~

biography rerieired heloll'.

huttt1hurn t h rl. • c;,xI tt"nco in hit h l•ffl



,. 'dr1 1 h 'fa , 1 1 ... r WIRELESS WEEKLY

\ nu c11n Rt,t•har11" a Philco for u I•\\ pt•nce. .... '



Page F, irr.l WIRELESS WEEltL'I

Utlu•r C'LIIUJI htur:s huiH raJin • l~ in D P.-X:kt>l bode und 1n D hirhthou.n. A :S•vaJ , llflt "'"~ huu li!d rn a ~rambu-lator lOgt"th, r wilh G doll whi..:h W:t'.'I J .1rt of th st\, an,i the oY.-nl'r bee'• t ou h t'Dlh.-.J J ! ch•at1un E ••cr)·uJyrlt': (1h1.1h r .. v1tlt>J1th h.- ,~a 1 rnarr,t"d u111n,

A "'b, }Un.till ~ t .. \\'Ii 1J!n• uf th~ mo•t arnu 11,: of lhfl work n( tht-~motrur lt w~ DUid ul bits c.a! Wirt, th, , tu! W und 1 ourad a brokt-"h 1.mtll , anJ linikt-n forJ..: l~ u i.:tl as b ru :i.ns 11C m.a.kmg \;eantuct So.rnt- Qi U,11 l 111 lh• UOlld~ur ,·u•ol)t•l t 10ll ,, rt> ,, \ b,•1n1t1ful nnJ th,· thrre

ldR'l hrirl ,rrrat cWitculty '11 :lwurJ-H' 111 ,,ri , s. Ju ~\ t"r:Ll c-a .. .-"' it

\\ h ) Bla me Sta lk? Bui '1 Phllrol

lfJIJl'Rtrrl hM thrre ""oulrt b • ;i~ d-lvck, .a.n,I nnl.> nfh r con,r11r1s,,11 of th1• :u.:b r)(.11nt hy pqint coulJ uruu1h11it>" be ntriv~d ~t.

T 1 fflit' by Hndiu. To the ncw1.:om1:r tu r.u,ltf') thr rn")rt

M.1trnct1,e fitntun• Whi the (·1, lroll nr and ynchtn1muna: f t lnd1: Ly "' r Ii: .• This WH on \'!t•w ut the t..J.U ! !-J, w Sy,tt·m 1'1·h•1)h1 111:-~ Ply l.td .. wh l"lock, Tht• "lrnli:> 11! tht" "lr tr1tul l'UHITT" wa 1urrhr-d hy .Burgey Rnd o R1t lt·r1es.

}.vlq hulf-ho 1f t)u, hn ,I~ of D b1g chck \\.-rre )'DL hroro. J. Fi to t 1.• 1dl)' thf nj,Z'ht tune-, h\ th!IJ •qr k:,i:•

ttlln .. n11tt(·t Tl t•rt? ·~t,-,t r o wir, c r nn- d rlt1•ns,r th t ran" ( ,ill ( JllY mot,)r, ul" hy m



· '"'t ~·hich ma~ b~ I, nl t.,.,, •>· -t••J h) th\'l ltoh1f' c:un .r 1 tvt, war ('~ pl:i•nC'J rourte,c,1,.1 ly u1tt full} :-ibl !



WlllELESS WEEltL'f

Classic:Cll Music

llur~•,. \\.-nt \\llh I ._ llail n,rr--.



.Frldoy, F"bruary 25, 192';. WIRELESS WEEK:LT Pap Ele~II

Licence Dodgers Pay Heavily in Victoria T l!F. im•t• I 11ul.horlt!oR app11ronll:, llJ'1! m:ikmg: 11 vjxnrc1U!I n1lack ou MclL1,1urno pco11J1~ whr> fo1•gtt Lo puy th .. i.J- liroadca,ti11fi:' (t•e14. T..n?t~ "'ed. thcr, .. WftD nt·&-rl)· 20 prcs-i.:cu• thllt 111 ,·1ar,0U 1wl:ct• t·ourt iu 1111J nrounrl thnt city. 'fhf• !org-c,tful ones w,•.rr !lnr I frnrn JO/- to n'i plu~ c1Jurt. IO F\lllBITIO'i,

T !tf-: r •mm~ Wir I,, F~h1b1twn 1'l :'llulbourno will Jin I the uuho world (1( ·\ lt tr aim i1 n htrl (I[ oxdtntl ilur.r)·. l-:v~rythln~ !\-l' m lo ti~ iu Q 11u1tu cq ll~x t,,~ 1 r~ 1J..,n·t kno.'K what, they ttar11J, t•i1.1•r,t that It u n ,I 1fo1t~t'r- pot kr1.,1.u.dtu t I hf.?'. comtnun •s '1n '\J,undt•rinlC' JU t Yihal I.I ft Hoy.if ('01u10Ul$io11 wm rcrum hlf'~d bc111t1 \\ tt~h\!U, ts fin lla trial

MF.l.H \ \HY Ullll \DC,\ST FOR Cllll ORE~.

T II rR!'l I• a ,h,tln



WIRELESS WEElr.LT

Sa fety Valve , \ d



WIRELESS WEEK.LY

Why Stations Interfere ~very reader should be able lo follow this simple explanation of 11,e cause of uiterference. The wriHngs o/ the Chief Englnet•r o/ the British Broadca$llng C-Orporalion are already wl!ll known here, /or lh;,y hat•e pre1•iously appeared

in this iour,,al. This article has already been published in the official organ of his organisation.

By CAPT. P. P. ECKERSLEY

W f: ha.vt'I Just c:onch1 , J r 6l" on nUi.k.ms.: two it t 11 i tn.uu1m,t ldfq I l ru4

IT3.JlHnt on lhc aamc ,,·avt lrm:th lt woulU h•• Jtri!'matuM on u y J lU t to ht• die.ate ,, h1.•thcr or not tht. ~ t :!\ ,ucct>1i1(u.l; hut it might I nto1 t' t t i,e lo d11Ctu9 tom(! mh 1 l.UWL Thl.! 11 a fa.ct. an l. 111;-l t Jltll tr>o tinfll i, JKilnl on it. I! )' u '\l II ju!lt nC'Ct"nt thfl pTmctple thnt h, ,, d1 1urb1J.nitt)" 11( clitr,·re-r t ftt!.lth n l produce a third frc-t1u nt)' eq.1:11 to the diffM"m°'"" in frtq i, ur) bet\,rf'fl t rm you will fO -' Jnntt wa)· towtu·«l np J rN'b.th ~ what f111l1 \, •

So fur. Wt! hoY~ iwo ... .sound• (t'f'-t'llt~nt"h•o;-l.1• .• HUI.- puff o! 111:hll) d,tfr .. ent rat"s t:,f utl'urrN1C't"- n • he fflr p!"O



'

Pace FourLffn WlllELESS WEE~LT FridaJ, 4lh Marc.b, 1921.

l ru,ns,r,I, •• llipA J.,,J., r,, I• /,,,,,.dl'lfll bJI fr. o,, .ltar,-/, g ond 11. l'r•m Ir/I lo rillM, a.,,,.. SM ood Ch, ,Id R. J-.1 ,,.. II u, 1 U,u,IJth, R411 B rtlctt, rrnd lr~1te I- .or,JJth..

IT'S ALL IN THE AIR Coming f ' 4!aturf!:. in the Broadcasting Pr09rams

llr. \ndr w i\hrunn •• J1"W. lhp1i-,. I I •nrctor, lotd~• co1 d1.1ct1n:r 0 Honc ,r P" Lob rt~td•hl"Nll,.inac inu11h:11J

f"'C.n.t!J.y, brvnJ.ciut 1.iu,n,r Lmea by 2J,'(' ~Tr MtCunn eotntt Cruni 11 mu,,c:.al tnmllr. iwU :H a "tor)' c•rh ngu w~ furuou1 Ill Sc-otlniid u nn anun111•n L, btaing ufhm l,..,.arJ lu 01~11n nt1t.,I • Itrf11re com:ng to Au truliu, h\l l\UI 1:11,oc::1.11tad with nu,1 ;tellilind, thtt Gt rmwn f'Olll~uil"t of t.hit 1lcl1i:l1tfnl t'illr I J~r • "tlun .. t-1

.zu I t ,:nil. lb 1l\Wl,n,e., M:, TronalJ h.u promucd 1u arranrl'I auolb r e\if:'ninr .tl fu.., hom~ end thla win b& rtla) od ),y 4(/,.; "" 11141 n!,:ht o! JilaJ:ch J9.

11url.'.l'l'' Wenl u1·~r lhe l'llle wilh llJrd.



fJHl iii~ I a.~ 111

WIRELESS WEEltLT

'l her,.·,, the rit:-hl Uuri:~ss rur eHry stt. ,.



WIRELESS Wl:EltL1 F'd,L, , Ith llor



Book Review

Contt.nrud l,om Poi• 1·1

Tht- 1:ial thirty pctt"Otl or 10 conta n fu I h tsi. c1~ Au\llltralia11 dr I 11 .1, f\t' I land c a t &U1l1"1n..-,1 Au tralia..n un,l Nl'.-,,,. Z nl1t. d »hip tl.it l na, ,,t rld• w1 ,. 1hort \\ a\',· 1,t.,ltt n



WlftELESS WEEKL1 Frld•r, •t1i :'lfueh, 10t7

1··--··--·"AvE ..... vou·····siiN······ ............................................................................... i,,_i. I

"KARAS?" I i i

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201A "RADEX'' 199 ! I VALVES !

I 6l9 ., .. .::: ·~ .. I I ·---------------------------------------- ! t 1 r The Economic Radio Stores I i 25 New Royal Arcade, Sydney. Phone M 3049 ; i H1•n1hc-



FridAy, •flh ~fareh, 1~27.

,l hou•lttf.



P "'' Tw1i,ty WIRELESS WEEKLY H .. 1 •.?':'

\\ urld,. ~I Re,,: .. r1,~ .. ·,1c Ballrn; l'h1h-o.



l·'ri.J, , , Ith ~IJ.r I

'

Tf,,. }.·mm ,,. Trv jortMr.

Th l\m J (lfL l '(11".,f f,

WIRELESS WEEltLl.

·:::::--::-::::::::::-:-:::::-:·-' -::-·-·••· · ... ~ .......................... ~ .............. .

EMMCO RADIO COMPONENTS

ensure easy reception

TO-DAY th ... n,v.l111g ,I ti, wr 111ak s dfiurnl COlllJJ nr ,11 p II ls c~



Wlll£LE8S WE E KLY

i •.. , ...... -•-•••· ................................................. , ... ,,, ................. , ...... , ...................... , ......................................... ,_ ......... _ ................ ,

1 Loud Speakers of Merit l •• t·oa E\. EH~· Pl.R SI,; • • i

ln,tal :: J.oud !>pr-o1k•·r on )our ._rt •• 111d lM all th,• ramll) hr,ir th .. l ' roi:rummr. W.- \,',,,,,,:,,,,. haH• the hne-t ·"•urtmcnt uf ] A1ud :-111-ttktr-. nt price ... rungini: (rum :!:I b 10 i:!I - - • • \I.L l•Wl:\IU:m! C \Hlff Ol' lt l'HI \lo m \ ltAill'l't. E OF :- \ Tl:•W,\("fl0:-1

OJI ~io:,.1;\ l··



J r1ULI' , I .\] t 1 I.

Friday, March 4 2BL, SYDNEY

WIRELESS WEEKLY

2KY, SYDNEY

I' z~ 1 ,.,nty, 1 hr,.

2GB, SYDNEY



WIRELESS WEEltLT

, ............ .. i Vast quantity production has reduced the cost of manufacture ' of I I

I i ! l

I I I I I i ! i : ! I !

10-1

ri= Only

The PILOT Double Calibrated Vernier Dial Note the new price for 1927:

Shows the WO)., lo better tuning

Pay

6/9 nnd rna1', ,·our old 1et up-to. dalf in ap. ~•n".-, ahd

t-2 .. ftr lo ffPN•ffl.

Rusoos why the Pilot Kilorrad D~I is the best V eroier Dial on the Market :

h, hr,

lt h • u Jnl•llun c:tmtnd thiUt JH1\ocnt:t the 1He-l1l. ~t b rUa1h.

l-~ "J I} While n;: a m •CWln 1.,ll>, t..ton5(' n anv-1T ,,. t to tl,.t: ............ - ............. - ............ -, .... - ..... _. _ __J



IA;-, 4tl, • arrh, u>:!7, WIRELESS WEEJtLT

JLO, MELBOURNE ,r,,.11 ., tlni; ( n. nl \u,t. \\ t n '• • 71 \I, l.t

oy

Philcos run 3 to I .\lontb, ,,ithnul Rl-charglni;.



WIJlELESS WEEltLY .•..:-

1--.... ....-,,--=---• .. •••••-•••u•••• l

I I i !

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f.141.h f ol,n



Fri.

,CL, ADELAIDE t ,·nlr.:al Ur0.1d,1U1tt · 1 td \, • L,-,,n),, • ,1

lriday, )1oro-.r,;c ON

111•a.111 G..1°1) t."11....._ II.St a.ru..- Aql~ i~•I Juett r I 11 M •. 111 .. ~,;hr M.i •1'" JUIWI MTV~ .. 1 ' 1ft • 11-1 $uo,i('II lllU~bftt

WIIIELESS WEEJtLT

T.I -..n-M~ fll'ND.ttta ffir tht 'X'lddla,. L, /u10 .._,,1,-n. nd UDalu lht&U. l,eha. f'n-rr. & .. and O.tr.1.

,.U 1t,.1a" ----aact. Gd ab&rll kt.tr.Ill.........._ ltart t ~ '-• la

&,a.-= Timaaxualtna;U.Jt"l'UIO~ ,..,. 1..1 tt 91 lhetll,,,p ....,._ supt,JW h1 IAII

M.......,N"III Hu,, 1111 f 1'11'1rt•2n Avcra1 a. 1.s 1 .. u 1•J1t•\:LAH :,wurr,

J.fa1inJ flffll[ni.fflffla. t JIJU :T• 1r. .. w. ,M,tlJ.,.. • ),,- a ~ ~Lh'• 1;1f'Tlaa Ua,;,1"1~ 1".UMI Oo..

1(1 ....... .....aw~ ,JoQJ ..... "1.ll. "'"_, ftll;l1aJ' -rb, lia Nc.w•,:lc~ .......

lOJtp~dawi:I,

Saturday, March 5 2BL, SYDNEY

l!ARLT =nms " l"' 11,m I t• O, Ck,rlr, ud 1 hlmff

£ ,((; ~ m 1 11cln Clrunrt1 11111d. tht KiJJ1 • UO I lU. ~lblcal ~•tviC"tUlmb Jrwu tla.e •l.J.JI•



WIJ\ELESS WEEK L Y f'nJ» Uh \[ ( 9',!',

r··· ........ ·-·•-··•••· - .... ,,...,,...,,,_,, .......... ,, ·•• .. ••••••••••• , .. ,,.,,_,,, .. ,.,,n,,.,.,,.,, '" ......... ••••n••---•••••••••••uo,.,, .. ,,,.,,.,.,.,.,,,._ ~

! I I ! f i

I I ! i i i

IMPEDANCF.:

TYPE AF:l 42/6

Ratio 3\;i to 1

At 100 Prnod, S0,000 Ohm1. At 500 Prnod, 410,000 Ohma.

NO BETTER TRANSFORMER IS AVAIi.ABLE Al" ANY PRICE

BRITISH MADE. AUDIO FREQUENCY

TRANSFORMERS SUITABLf-: FOR BOTH FlR'5T AND SECOND STAGES

TYPE AFI 32/-

Ratio 3\-':z In 1

'"'•I.rs pl•11•• ,.. ... m • nk• • -M· A IU..\t f"ltlf

( ltl I I , I \1t•' I Jt,t IHd-,- a,.d ~ lh:.v ••

,1un"tl" LTD l~PEDANCE . .. • ., ....

1,W-,-\M'\',Ut I • At 100 Prnod, 17,500 Ohm1. M>~. "•"•• •• At 500 Prriods '10,000 Ohm1.

THE BE.5T TRAN!:>FORMER AT THE PRICf.

Obt11i ftblr at 11.11 R•d o 0, alt'!,• 1n .\1utraha

i i i • ;

l i ! ! i

____ ,. ............................. _ .............. -...... -.... -....... -·-···-................ ,_ .. , .. -• .. ······-·····"··· .. ··



.I r"' lle.u l f • ",r• I 1rif"lt'lll• \kn

;.~Ul:111':!~ b';°'::,rt.:1"•f ,~~:'ii~ • ,o ,, M 1}on:l17 :-.-. f•,.,m 1.h• :;I, ti ••II

~o,u.lt,a J ., • 1-.ort nr it I d athl,f le tutll --· , (0 pM Tall 11 A.1.1atral1Lb It nl t "b

Mr A q, Sw-rti.ru. :SlGttl' BES!f'TON

I ri -.-G r o ("b-11. •rid 4J1tmt, Nmab9'.ffl 1" ical (h.riru

• .1 a;, m. !lo! l'. John ll, rr1• ltitDM' ,._JQ ., Jh IIC J ,. \ 1111W kmiw.!t~nnc • I r, l P r11m tho J~lu I :.t.hill 11on I "

V 8111 I\ •. ~;, U •U • J\• Ja$( s •la

2KY, SYDNEY s":iurda,.

WIIIIELEII WBB~J.T

'J he Life ur a l'hiku llegin,; "hen lloughl, 4



wu,st.zs• WBZXLT F 1·!ttu,•, It h Mord,, 1'' 7.

Made Broadcasting Popular 1n Great Britain

?rice 2 /6 Retail 1,in 1'011a, ..

to pop la•tM br.,.._ca Ln,:- ,n Gr. l Bnlal lluin w • " ~ th r llCh •

• 8411 .. l 'rool -:--tnrm r,O(tr-Yrattblt~l'toof

IT'S SO E,\ S\ TO I• IT, TOO

The Electroleon Co. Ltd. Manclt&'sler ( 'nit_f! Uul/,forgs, I RS Elizabeth St. , Sydney

J>b one )1.\ 1431

l'rt•prietnrie: , he ~rv. t.onif11n n .. c1run \ \ urk1, I.I d .• 1.nndnn, Encf• nd.



I'•

4QG, BRISBANE '~lorr1 .. ,

5CL, ADELAIDE

WIRELESS WEEKLY

6WF, PERTH

Sunday, March 2FC, SYDNEY

' • 'J l ),

H·s J! Hill DJt\L

F•rv Tlurt~•Ont

6



P•i:•• Th ty-T .

.--~-n••••••·d-OOOoooo•

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I i

i

WIRELESS WEEK.LT Friday, 4th ~Tarch, 11127

4o -- •-•·•H-.. -•••-•••••-••---u•-••U•-•••n-HHIM .. •N•O•H- • ........... _ .. ____ _

Jlr11D• C.buvt '1..dc-L. Omoo. ,tllJO.

The lncompi\rablc iBro\Dn in :--cn-n • uperti ;'lodcls



Frid1'r, 4th ~Il>rcb, 102~.

2GB, SYDNEY Sunday.

Jtl.20 • 1t1 t'l~•" mu t lfetllt Alli., L11>rraJ C.th, l~ Clu.,n1~

l.ft...lo -.-. .M rilii,; t1r.-irr from 6-l.. A 1•• ~i(''otatkffi .,f th,i IW-, Eu1:b.ilruL nnO:h ..

12 1:1 ooa. ,C'\,,.. ,fo,. 11 i: ta p,rn... Mi k: ti m fl ~Ill ;.LS 1• m. ·llYt.a f,:rr t• w Ul

l'LllE-(1 a(comilanimt"n f •) "Sou~nl!' d• Cam,.._.,"_.. 11;,;JudJ,. tl•l Tr~· ll



'IVIR&LESS WE&ltLY I' ,I '

ffli'' °''''••· ~ ~ -··--;:.•--------PHILIPS

Famous MINIWATT Valve Serles ,_,. le• t.at •• PHjup,

Th•• c:1,oo,,. th, .-alu In th.- tea\,

ON~ VOI.T AI09.-II f • U,1 •nd

I at f-f b amp. 9105. - A do""'

ti ... , •• u .-, p THJ!E.F. VOL.T

A310,-11 f D, ••d 1,tLF 06 ,

A30ti_.Ot: ar.d 1-i L F 06 p

tOUR VOLT \uppl,-

HT SUPPL\' UNIT ( 8 &ll~r, Elimtn•tof) t. ,. ... • •mootl·, U.111 .. ,t nK l\' cuu.- t •t.ipr Jy •• ' tLf'I• C .. , n,.w• from S lo JO walh or l'

N"•d• -n,, •Hrnhon l'h•r,- L• no A. C, h11m

.La1h a l,fetun•

fULL-WAVL BA 1 T£RY CftARGERS

ln T"'o Type• "'lu 4J(I-( t 'fl!'• 11 lu

ti woht •• 1 J •mp, ,.,_ bb-(h,1t1,., up 111

b volt. •• J or fl a,np• fl voha • t ) •mp•

1 1--,ol-pro~f, ,Ju1I, •l"'ffl'" to 1'01\At'CI

~ ...... ~I- t,I 11 L I i~• I De~ler• • !f;l ~ I J--Jti!1,j :t:1 •] [•J

Ask fo t

Pamphlets

--· u

''



Monday, March 7 2FC, SYDNEY

WIREJ.ESI WEEKLY

2BL, SYDNEY Jll11r1da)'.

v~n· .. M 1usu. , f~ 10:,.,. f• 0 l.l It'. attd tltltn1.._

N1 tJll Jltnif!'•tau!111 '" '" t!w

11\ t • m. W Al brr r .. r•arl JO JI Mu frn t ru.cr•mn,tl- how 1J1e

,, •J.,.

. 4.6 f'.m t>.7",1 n~lft• ,.,,ns.. n ~ .._,... • r "' ~...,. fttlffl Lt. IC""" 4 ,._., tt ",.. ,4 blct.l • Wqfra:Q ...

p lJn Q J• O. t·•~ •JMt t.:•na.1&



r•a,. T)11 t) ~lX WIRELESS WEEK.LY



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Layerbilt "B" Battery A radio"B" Balteryof entirely new comtruc• 1 ion, made ornat layers of clements comprcsocd one a11ain,t the othrr 110 !hat l'Vl'ry cubii; inch inside the battery i• completely filled wilh electricity produc• inc materials. T hia means JO% more po,vrr thon thal of any other battery of the aamc aiae made or round cells, I t means IVC&ter power, lonc~r life a11d far &reatcr economy thiin It i, pos-sible to ob1ain Crom ,my other battery •

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. - .. -----··-·-··-·-··-·--.. -·---·---·-~ ! l Edward Arnold Ltd. ! I OXFORD & CROWN STS., SYDNEY, I I -------------------- - ' i Electrical and Radio Depts. j I -------- , • I

I Duke of York's Visit I /

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Sole, Auurollan Distributor -

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f . . . .. I I 1?,ADION : ! Visible Quality I I .:::· .. ·-·-................. -.................. -... .,.......................... I ~ ~ ! i j ~00 K at the finish of the edges ! l ~ and surf ace of any radion pa~el j i i j IT BETOKENS QUALIT\. I 1 1 r 1s QUALITY MADE. ! I n 1s suPRE-:.ME QUALITY I i INSULATION. I ' ' ~ i ' : i .................................... ,.,_ .. _"'-"''''" ~ (, ~ i : i

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f - -! ) Send /•r our fr« 'D,xrip/we 1 / 8001-/ct, on Radian. al,o our Cato• 1 l /ague M u.,tl, O27,



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Ever-Ready Radio Batteries

are always fresh

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f'tkl", ~i •· the. ... h:f. R~ady Radltt

... "'-*•ndard •• Ory C•U. •• llh1,1 r•~d, H fitt~d with tW('f 1k: TCW h:rmfnlla,. •rut folDC&-Ht lntrodu.::Uor, hU .mt:l wttb ,ate.Al •ul'c.tu, wt u ""'roanYinac, lh lmmt:n1r JoUpecrlc,rUy o,·.-r an)' •m• rortlNI coll Sl,e. 2 I ll &\. \\ •llht, 21bo. Al•-, fo, tte-llt, tl"lephone•• ••analhnc anJ cl«trn•mc-dkal appar• atu,, 4-:c.

" Wanda" Plug Radio Battery I ht• 1Uut1ratt-,1 the nrw r•dJo lti•b -ten.t1on

• i,,·• Raltk"ry. whu:h c•n he obtaloe4 .J l t. tt;,; ur 6:i volt,. t.tkd w,tb • \\anda rlutt, and:: ""'"' w h·rnunalt

PRlt'l::

111.all-1,,_ t,-p.-\\P~.flt,,.v,,»lt 'Yh 'lftl.llll •b"• t)'JM \\ t•. ,t~ YOU I :l 6 ..... 11 tl-t.t',hJk \\t',tJ.t WQU IP'• 1..-.. 1,11 auc.ly,-XP,.:11.~ .-oil IG • I .i-11n' •uor. ,,.,~ \P.42 '-Olt ~ I • J JIIU lAnH lit4t. ly~

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Pae• Fift7.Six WIRELESS WEEKLY

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The Tablc~Talker makes a friend of the eleccrica.limpulso

..-.c0Ult1C1 ,. the science ol eound. R.td,o acournca a the ac.iencc o! translormm11 the elecencal llllpul.., min, udible ~und The clcnrn:al 1mpul1oe is a ioUy lmle Jellow "ho nee.ls to be consulted 11 you arc to ett the ~tour of rum \Ve·" been makin11 fncnJa rw1th him for se~rntcen ~cars ,nd the T.iblt•Tulur u but one re.ult of ou, effort... The aoosc•n«k horn Iman. ck,iru and more rounded tones, 1nd the P.tent lmarcnJI ol -.h,~h 1t 1> con~truct.:J cluiunateo any

~

1 aaei.uon cl h. rshr.e,s or metallic rcaon.i.ncc Fitted with an :i.d,us~:,blc d1Jphra11m, It 1s fm15hed ,n a. lcu.nt aha.de ot neutral brown Hc111ht Id', bdl 10•.

• A.IA ,. .. D.o.c1 Jo,,- B,aJW., ,

Now 45/- Each !'AC'TORY REPHE:-R:--TA'l'I\ ES:

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Also at 91-98 COURT.!sXAr PLACE, WELLL'WT0!-1', N.Z.

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JIIIJltU,Y SF.I. ;n..-, tnp-. Marktt\J'='!>Ol'P """"'hit>rl"fn""• •

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p m 5 rem tbc Obecrnl,,;.,.,.- f.trnd&n1

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bJ !ltr W \ llnidorft. I! 1 It 1ft. tl1'tUlU (USt l.HT: lh,. p,.._

•n.mme- wilt lo ..nkr~,.._ with lh,,.raa fo • Mfll'I •~ dmn:h M!IIW' It, •b• ~u•~1a11 l h~rdt l h.olP (('tffld~ctur Mr A,uac-omuff 1. O•crtMN u»ra.,wl" h:i:"IU' H.•,a1 i;ti, Orc'hontn. INl)nrn .ok>, ..,.hr- rti, n uf

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~rJ~·r• t,1!:;;'~\, l':!rr!: t~!•.P~• :.~:u ~ha;,~ ,._ ti,,t• t1hlP11 Hick'" •~J,.,..,,ttl, 'llr J I Con1wrll ~10 auto "°Nlitllnw .\Cuc ·• Drl kioticu, .M1t11 \41!,1, .. .t B,,tl 19CIIM.ll •,;:;-u.; J •t lr

tn,1,,t1.:h, '"Th-! \:.ant uft I If. IM• r~ ll,.- llal,.11 lh"d,r-1.ln 1 1m , m laru,ro, ~ fJJd Jwma•~ - )IM ti 1a h.rl.-; M lf,-rJ011U!u '.Th Y.n h111 I 1 f'or"4' tPhilfli,a;~ ~a.I X•r1 )frS• th,

~o,m 1\1 1•11111 F\:,1N"&lot Fo::r-'nt r C,,.,t'1 l'-"l,...,~t' It -Ht>t :-



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N""f'' "• • Pal I kP Y.m'· J r ,., l U • Ott fJ t,,-. mr,'"-r""' ._,,.,.), A Da-.n-1 a.• ft'• 1 t a \Un. M'ltl,. 1;..-.ll6htlJ'

ta 11;1 •lM \'.,u 40r ~u, ... ,. t;lt orc-tt-tn

1 I ltL !hr (,-tJ) l:.1111' \'lo, 1hr, '-• CJca., JN, .....

SCL, ADELAIDE ThuN-tl.,.

Friday, March 11 2FC, SYDNEY

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I I ' . I ; i I l

i l. ~ i "4aiillr ~---- i ! •,; ! i Specialist Radio Valves I I Matched _fo_r ~very Set. I i ,,,, r-• ,...._, ""' '""'• a.., l'ric, I

!,,,,. D.L.3. Dctttlof.Amp. 3 :0256 22½ to 90 U.X. Riise 1

133 1

/66

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1 D.L4 Special RF. A.mp. 5 22½ to 90 U.X. Bue D.L.5. Detector-Amp. 5 ·25 45 l• 135 U.X. Bue 12/ •

I 01.7 Heavy Duty Amp S ·S 135 U.X. But 24/ •

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A Radio Bargain 3 Valve Set in haud:,ome cabinet, complete in every

detail, includin&-

Loud Speaker

ExJde Accumulator S4 Volt B Battery 4 1 Volt C Ballet·y Large Valves (the b~'il) Aerial Gear

A guarantee tt'ith every Set

Two Prices: Price • £ 16 17 6 P1·ice • £ 19 1 7 6 Deposit

Weekly 1 1 'i (> Oepo~il

5 9 Weekly 1 18 6

6 9

\Ve charie no inh:res l for these eai;y terms.

' I he ea,y term, also apply lo country customers.

Take one laome to-night!

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Telephone: B 5747



I rhlny. 4th Mar Trrms.

\ ,mall l)ppo:;lt prrmil'l , ou to tal,e one homt'.

ng w. then c II in • nd ee us. r fu1 yo ll'fl •If ) ,11111 ure to

for you If the v;ooderful value.

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l-H-M••···· .. · ................... ·-------·------M-'



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elettes and Optimism

PETO 6.. RADFORD

ACCUMULATORS Jk lxfr.nn ,g and Elie uid,.

PowER

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a 1 • mv 1 t • .. . .. C\ t t.

an._. at •

Mullard THE· MASTER · VALVE

• ta 11 t,.1,Hd, :,.tulLu•I \\ork1, l.11n f, n i-:na;land.

llnTH'° \Ill 1: f'RO'I E ' "ER\ IL\01() llh\1111 I'- \I STR\1.1\.

Advrrl f'mf'tlt of th" )Iullud \\: 1rtlf': ~ :--flf\h I' Co .. t,1,l 1 .. :\tullnt1l Huu1w."

1 nenmMtk

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VISIT THE EXHIBIT OF THE MULURO WIRELESS SERVICE CO. LTD .. STAND 40

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Describing Air Stunts

T el.I.Kl~•• ot SLO t i• In tor a bu y rn on in tl.c n



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I rid•J 4th \fur n. I · ' 1 WIRELESS WEEltLT

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frh·; .... A.W.A~~di~ ... G:id~· ! 1927 Edition. ! Larger ond 8-ette.r lhAn e'1U. f l;'6 f-'•eu 1,1f mu.lualJl• ,n(on,ulietn i to w,.-el~u rnd1\l11..att• · Price 1 ., Poat 1 /2

II An1il;:::,dR~;e1,:·~:1:~) Ltd. ~T C ta,,.nr,- i\1u.-t 5ycfn•.t

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i I• N O AERl 4 L

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1 ~ l

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Real Enjoy Broadcasting

\\ h) put Ufl any longer \\Ith tinny receJitir,n noi .. s. wh n h ~ r b complctcl) cut out with :i )13clurcan Toni, l'urificr7 In this static cason. too. static noise• m: > I c l'on dcn,Ny I, ~~enrd " th one of thbe easll)· tilted m,trum, 111 • FiL one rnto rour et tu-duy, 111111 wet JIU: e undi~lort,•d rccepllo11

THE MACLURCAN TONE PURIFIER

21 /-I I ;\t uU D4'alcrs I L_ ............................. ~:::~: ... ~~-·~·~'.~~.-~ .. ~ .. -~~~: .... :.~~ .. -~~:.: .... ~:~.:: ... ~:~:~~ ..................... ____ .J



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B.M.S. CONNECTORS

B.M.S. SWITCH 11Mt "~ ~ • JI l"~ f r ,.u-7 1 J .... 11 h I IU kt-l•t•

I I n1AII our1 I t ~ , r 11 '• bn.iohtow tllal n ,,I J '••I aqt ~1n1., • •r,

......... J 9

OBT AIN ABLE AT ALL RAOIO D EALERS

Amalgamated~~ Wireless ,,;nJI ond ,,;ng Oulhhn,:, ~ --,;r_..- ;;.___,,___

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flu, RADIOLL>- ,\:-.IPLJON horn!= Loud Speaker mtro-ducca tht' ne:.rcst approoch to the evt:r p1e;ie11t ,deal - perfect reproduction of Radio 13roadl:ilsl. !his """ m.,slerpi,-re bl .. nds the arl of fumiturr deaign w ith the science of ,·lerlro-a, ousti,-,.. Sensitive to a t

I a!1Pilal~l~~ i ~m ~ Th, famous AMPLION !.-, loud Speakers are obtain.

able from all Radio Mao• j DON'T FAlL TO VISIT THE ufactums and Dtalm , AMPLION EXHlBlT, STAND lhroaghout Australasia. i j No. 23 AT THE RADLO ! i EXHIBITION. Md. f.,~.!IP;;f",,'.-J.:::. ..... > LTD. ! ! j i .............. - ......................................... - ... · .. -··- ··-·· .. --............................. ------· ..................... _ .. _ .. ,,__ '

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FREQUENCY MODULATION - americanradiohistory.com

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Child Labor around the world and the companies that use them By. Siobhan Mobley & Hally Elijah Wilson

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RELESS WEEKLY - americanradiohistory.com...F bni1.1.ry t1tt\ c-b1ldrf'n's lavorit.t'. 'Hally Hum r." l"Oruplett'd hit Jftttmd 3·._-.a1·

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