amateur number

156 Pages·2014·22 MB·English

VER 230,000 COPIES OF HIS ISSUE PRINTED AN
RADIO
.
Novembe
NEWS
123..,,,.
. _ .
Over 200 illustration;
REG. U.S.. PAT. OF F.
Edited by H. CERNSBACK
AMATEUR
NUMBER
IN THIS ISSUE
John L. Reinartz, 1QP
A. L. Groves, 3BID
Leon Bishop, 1XP
ph R. Batcher
()ward S. Pyle
M. Swezey
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THE 100% WtR.ESS [IAGA[It
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It
Bridges the
of
Vastness ,Space
SINCE Marconi first successfully spanned the Atlantic Ocean, with
the wireless telegraph, radio has ever been outstanding as an in-
vention of unlimited importance to humanity.
In 1909 the broadcasting of that now famous distress call, CQD,
from the sinking passenger liner, S. S. Republic, established in the eyes
of the entire world the tremendous importance of radio on the high seas.
In 1912, when that gigantic liner, the S. S. Titanic. struck an iceberg
far from shore, in the north Atlantic, with thousands of passengers
aboard, it was the SOS call of her wireless that brought rescue ships
from all parts of the ocean. Here again radio demonstrated to the world
its great service in the saving of human life.
During the war communication controlled the destinies of armies.
Here radio played an exclusive part in the. establishing of communica-
tion between ships at sea, from ship to shore, and from aeroplane to
ground, where the use of wires was impossible.
In recent years the development of the vacuum tube has not only im-
proved radio for the purpose of marine, commercial and military. com-
munications, but through radio telephony and public broadcastint has
established a new and even greater service to humanity, .
A Specially Cunningham Vacuum Tubes are the product of years- of research and
t .xporimental work by the Engineers of that great scientific organization,
Designed Tube the Research Laboratory of the General Electric Company.
Cunningham Tub;-- are rtandard for all makes of receiving sets. Each
For Every of the numerous types ..ave boon designed to operate with maximum
efficiency in one or more of the various applications of vacuum tubes
Radio Use to the radio art.
Patent Notice. Cunningham rubes are cov-
05. 1-i5 -07, 1S -03, and eorethde rsb y ispsauteedn tsa ndda tepde nd1i1n -g7.-
Licensed for amatcnr, experimental and entertainment
use in radio Cnutntnnicatto,t. Any other use will be
Cunningham Radia Tubes an infringement.
CC-- 32 0919A -3 -6 V oVltosl ts.0 0!. ¡a mamp.p D. rAym Bpa:mtterrr y Det. á SE. 50
C -300A -m6p Volts Gas Content Detector 65..5000
C -11 -1.1 N oats .25 amn. Dry Battery Det
C- 12 a-Sndi mAniip r. Stop eCc -ialll Bwaitshe standard base 66..5500
Home Office:
248 First Street 154 West Lake Street 30 Church Street
San Francisco, Calif. Chicago, Illinois New York City, N. Y.
www.americanradiohistory.com
Radio News for November, 1923 505
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WITH the Amplion Loud Speaker the infinite clear- 41'D'
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ness and softness of tone achieves an unsurpassed
reproduction welcomed and admired everywhere. The
human voice or musical sounds come to you in their
true richness, without the slightest distortion, unalloyed
Norway -just as they are rendered. India
It is hard to believe you are listening to reproduction.
Originality is so unmistakably registered in every tone.
The Amplion is made by the world's oldest manufac-
turer of loud speaking instruments. It is not a head set
receiver used as a loud speaker, but a development for
radio purposes of a loud speaking device, used exclu-
Sweden sively on every ship of the British and other leading
navies. Fràìîce
The Amplion requires no battery. You simply attach
it in place of head phones. The Amplion is being exten-
sively used in every country mentioned in the border of
this announcement.
That it has been adopted as standard by the leading
countries of the world is the tribute it has achieved
Denmark through its brilliant performance.
All models on view at the New York Radio Exposi-
tion, Booth 5, at the New York Show- Oct. 6th to 13th.
SIGNAL ELECTRIC MFG. CO.
Sole United States Distributors Menominee, Michigan
BURNDEPT OF CANADA, LTD.
Holland
Spain
Canadian Distributors 172 King St., West, Toronto
g/G Ji/
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011 The Supremacy of the AMPLION
is the Supremacy
Belgium of Actual Performance Japan
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www.americanradiohistory.com
www.americanradiohistory.com
Radio News for November, 7923 507

!Ë. 20-foot. silk-co-ed eire, sirl
-
with this Receiver, is the only ar',tertn<t
rèctrirç:c . Yp )i7 tray conceal this wire behind
'the p'tzttire moulding, cpr run it alar;;; the
basebcard of your favorite, room.
(-e tttrLct'vely fir.iised walnut cE,.bi:.et
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ha"; cC3r13¢1rtr11lf'nts for necessary
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www.americanradiohistory.com
Radio News for November, 1923
558
Index to Advertisers
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Company 584 pany 593 Kimley Electric Company, Inc 642 Radio Research Guild 638
AAmmeerriiccaann RHaadrido SRtuobrebse r Com- 625 DDoobdbgien'ss , InRsatyit ute 665424 Klpaauns y Radio & Electric Corn - 572 RRaaddiioo RSepseecaiarclthy LCaboomraptaonryie s 569043
pany 617 Dodge Radio Short Cut 631 Klosner Improved Apparatus Radio Stores Corporation 520
American Specialty Company, Douglas Shoe Company, W. L. 654 Company 622 Radio Tube Exchange 621
The 628 Dubilier Radio & Condenser L Radio Units, Inc. 626
AAAmmnppcaaeshnntreoiyycrr da naCm o .,T SrTearhnvesi cfoe rmEexrc haCnogme.- 564736 DDuuCpcrakokner ypeC -o Torahmtoipomanna ys , PTrhoed uWctms .C oBm - 656814236 LLLaeamFncabaxes,r tte,Ir n Lc&.e oAn 1lwine 665359112 RRRaaasnnlddaoe ll pShWa le&isr .e lCeCsoosm rppCoanroa yt ion 665557124
Andrae & Sons Co., Julius 572 E Leich Electric Compan; 586 RRaeugleanntd SMpefgc.i altCieos. , Inc. 665277
AAAAAtntuuwwCdttooooramyeomtaerdae,rp t aEicnIKlCn yeeco,c nE.mt,trT l ipechFMac e.nt f Crygi,cAo. am. lCT pDhoaen.mD yep vaincye.s 666661444454364 EEEEl.ll eeepcccaItttn.rrr iyiiccc,C aSloTS pmhtReoepcer aaisangelyeat,y r c BhCTIa nohts.Lte ie,da reby s B Caocrkn -C o565v676e933: MMMMM.aaaa rrgrsktPnihon.a a -vl MloSC -xt.oGo preSCaergalkoale.ien,n sd TB CMChCaoe o.to, tm .e rTpyah ney C o 656658282173346 RRRRRoeiuhgmssaegoml sen Rsri ttaMiend Refioga,P .d riSJooC.u d opMuT.p,c flhtygsoT . sh eCC oo rp 666661030328667
Engravers & Printers Machin- Marvel- Switch Company 572 S
BBaakldewlitien , CInocrp.,o raNtBiao tnh aniel 663239 EEErvxeiapsrnmyes ra imnC& oe .nL Ctaeobr.,ss . ,VI nTifcohtroem r aJt ion Ser- 656751210 MMMgiiadcrshawspiaeghcsah tn Su csRRehatoatdosdi loi,o R ICnaCdoco.i. orp o&ra tiTonel e- 666343858 SSSaaaTmdtulhsereonr n MMEffglge.. ct&Cri ocS. aCleos. C.o..., . I,n .c. ., 666231950
Bannerman Sons, Francis 652 vice 589 Mitchell Blair Co. 625 Sears, Roebuck and Company 604
Barawik Company, The...514, 515 F Modell's 659 Sectron Radio Company, The 649
Beckley -Ralston Co., The 661 Fahnestock Electric Company. 637 Montgomery Ward & Co 577 Service Battery Co 641
Benham, E. W. 636 Fanstee' Products Co., Inc 655 Montrose Mfg. Company 618 Service Radio Company 622
BBeipCerargomnemyna p na-n REya vd ieo r Seut pt plyF ouCnodmry- 663368 FFeegdrbreaerpanlhd CTEoelmleecpptahrinocyn eC o.& Tele- 652748 MMMooosrrsrtoi -snSo,cn h AuL.r yab MMo.r fagt.o riCeos,., IInncc 646449250 SSihdMibpfemgn.ae nl C -WoR. a ard d iM of g. EqCuo ipment 665064
Bogue, B. N. 652 Fischer & Co., G. H 650 Multiple Electric Products Co. 653 Signal Electric Mfg. Co 505
BBBoooxxir e2,1 3430W . & J. 666533754 FFFoorTarrmnmhceaie cn a M&If ngCs. uol.C aoti.,o nT heC ompany, 656473496 MNausRsaaud LRaabdoiora toCroNi e s, Inc. 588, 666314 SSSttoe,M uiontmfhmgeb.e rentrCz g o-T.W Coaiyrr elslCeosons. , MTTfhegel. e pChoo ne 566852608
BBBBBBorrrrraeyaaiscmnnsth'dso e telroL sM -ni,CTf ,fe uogI lm.nIl nycpc C.a,. ,onM mCyCf,. p ghTa.a nhsyC.e , oAmL .p aSn y. 665656954571442148 FFFrrreeotiessodhtn, m - EaIinnse cm., aCnoH ., eRrabIdeniorct .5 ,1 CH86,o 4.Cr,6 ph, o5a1r6sa95 -,0, , 555778332 NNNNaaaatIrittttanoiiiitoooocnin.nnno anaaallll CRhACaeidalrsripoebha oo nnR Iena dsitCoiCto uomCtreopp roa5p9nroa8y--,, 555507999596 FTTTrroeeipl ws-eacSpenotrhya o tMen ef gR.aM dCaioion mtSeTpna alaennsyc eC o Com- 666621432204
Brockway Laboratories Co 630 G National Transformer Mfg Trimm Radio Mfg. Company 640
Brown & Co., Thos 623 General Electric Company 639 Company 656 Tuska Company, The C. D 595
BBruorweanul ieo,f RInovlaenndti ve Science 568442 GGeenneerraall RRaaddiioo CCoomrppoarantyio n 663510 NNeawzemleayn -CSote.,r nJ . Co., The 657460 Twitchell, S. A. 628
Butler Mfg. Company 652 Gilfillan Bros., Inc 591 New York Coil Co. 657 U.
Goodell -Pratt Company 652 N. Y. Institute of Photography 638 U. S. Tool Company, Inc 610
Gould Storage Battery Com- North- Western School, The 646 Union Construction Co. 606
C pany 631 Novo Mfg. Company 654 Union Radio Corporation 570
Caldbeck Tool & Mfg. Co 646 Great Lakes Radio Company 571 o United Mfg. & Distributing Co 630
California Trading Company 656 Grebe & Co., Inc., A. H 507 O'Brien, Clarence A 646 United Y. M. C. A. Radio
Carson, C. E. 644. Guarantee Sales Co. 632 Omnigraph Mfg. Co., The 592 Schools 596
Carter Radio Company....614, 636 H Owen, Richard B. 656 V
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Continental Fibre Company, Hudson -Ross 582 Press Co., The 612 Co. 608
The 638 Hygrade Electrical Novelty Press Guild, The 568 Wholesale Radio Equipment
Continental Radio & Electric Company 645 Pudlin Engineering Co., Ar- Co. 638
Corporation 614 thur 634 \Villard Storage Battery Com-
CCCoooStpyocpn -heeCr o ooiTlCls r laaCddoe m Stpe&ae nl yE Cnogminpeaenryi ng 566941419 IInlltiSencronhiaos toiloRsn aadli o CCoomrrpesapnoyn dence 663364 RRaaddiioa ll BCarogmapinasn y R 642, 663454 WWpCiilrameonlmyein spgsa tnoMyn fg.F ibCroe. , TShpee cialty 566831558
CCruonsnleinyg hMafmg., CIonmcIpn.,as indye E F. ronTt. , Co5v1e3r Jones, Howard BK. 584 RRaaddiioo CEoqrupioprmatieonnt oCf oAmmpBearnaicycka.. . Co6v5e6r WWWioorrrelkldeR sisBt ea SttMheorfypg ,. TCChooem. , pTanhye 666215169
CCuutt leRr a-tHe amRamdeior MCofmg. paCnoy., .T5.1h.7.e , 662007 KK eClElool.ge cgt riScw iCtcohmbopaarndy & Supply 569065 RRRaaadddiioioo g eFGmuur inlCdit,uo rrIpeno crC.a, oti oTnh e 665458761 Young Mfg. Company ... 586
www.americanradiohistory.com
Radio News for November, 1923 JU)
"This Free Book Showed Me the Way
in
to Big Money Radio"
It has Started Thousands on the Road to Independence and
Success -has Lifted Them Out of the Rut of Office Routine
and Helped Them Become Experts in This Fascinating, Profit-
able Profession. Let It Do the Same For YOU.
SIX months ago I was what you might call "a handy man about the
office." I had what I considered a good job with a large manu-
facturing concern. Having taken a two year's business course, I
knew enough of stenography and elementary bookkeeping to be of real
value in general office work.
I took special dictation from the President, set. Several of my chums had radio outfits
assigned general correspondence to the regu- and I had always wanted one in order to
lar typists, was responsible for the purchase enjoy the broadcast programs in the evenings
of office supplies, approved petty cash vouch- at home. There was ordinarily nothing un-
ers for the errand boys and clerks, and was usual about this, yet that little radio set
entrusted with the responsibility of making changed my whole slant on life and opened
deposits at the bank and bringing in the pay- till my future overnight.
roll.
In addition to these, I was often privil- sooIn digdont 'to nktnoo wth ea ttrhiciknsg oafb ooupt erraadtiinog, ba utr e-I ttoh ougegth tt.h e Abot olke afsot r iti t wwoausl dfnr'ete .c ost anything
eged to arrange accomodations for the Pres- ceiving set and rapidly became a real "fan." I sent for the book -"Your Opportunities
ident when he went off on a trip. And when But much to my surprise, I got more fun out in Radio." That was six months ago. What
he wanted some personal matter attended to, of the' mechanical operation of my set than this free book meant to me is best explained
such as purchasing theatre tickets or having I did from the music, speeches, reports and by the fact that, as a Certified Radio- trician,
his evening clothes brought down to the office, regular programs of the nearby stations. my income this year will be at least $5,000.
Iin wfaasc t,a lwana yas sssieslteacntet d tof otrh es ucPhr etsaisdkesn. t. I wAansd, Then I began to take my set apart, reas- Arenadd yth aste'se onthlye theen obremgionunsi ngp. ossFiobri liIt iecsa n faolr-
accordingly I was paid $40 a week. semble it and experiment. I rigged up an trained men in this fascinating, profitable
scalelIar krwys -oawnl'ett hreso auyg gethhtt aintit g Iw - bawsu atms osthraeet i stfhfiaeacdnt wththiet ahto tththheiers Iopw uabitrtodht uo goba hyr tw apaea arvlrioeatu l- dluea nnnstgdpilt e hia nIk scetahrapa laaldebn dldae ag foritfrua sbd"te up caiscllaekltsyi.s n agTdo duhuteepfdni"t pdoaurrfoe s ftthre"yesg. s ribooiwng. i nmgAo unnpdey" Ib'wmeii tnhgg o tihmnigsa dfteao stbg yeg tr tohmwoysie n sghw aihrneo-
President had confidence in me gave me a the programs from distant stations.
ckeeprtta imn e sftaainrldyin cgo ntaemntoendg. the others which Naturally, I didn't stop there. Several of goTt hfraonmks thteo Nthaet iosnpalel nRdiadd iot raIinnsitnitgu tew, hiinc hm yI
my friends had "sending" sets and I wanted spare hours at home, and with a Government
Then one day, having a little extra money nothing less. I began to study the code and First Class License in my pocket, the rest is
on hand, I bought a small radio receiving longed for the day when I could get a license up to me. But the opportunities for money,
and have a "call letter" of my own. My rou- independence and success are unlimited in
tine, humdrum work at the office began to radio and I'm going to go the limit.
lose its appeal. I could hardly wait until
evening came so that I could get home to the I won't attempt to tell you all the details
PICK OUT THE JOB YOU WANT "work" I actually enjoyed. of the wonderful opportunity that awaits
you in radio. The Free Book of the National
WE WILL HELP YOU GET IT One day the traffic manager at the office Radio Institute -the same one that I sent for
mentioned that he was going to buy a radio -will tell you all you want to know. -It
Th-is is a brief list of the positions in and flattered me by asking my advice. I of- showed me the way to big money in radio
the Radio field today, and the salaries fered to help him select a set and install it. it lifted me out of the rut of office routine and
paid He told me to go ahead, rig one up for him made me an expert in this fascinating pro-
yyeeaaRRrra..a ddiioo MInespcheacntoicr,, $$11,,580000 ttoo $$44,,050000 aa atarnnoddu bIll ee.mt ahIdti mew $ak3sn0n o'twf o trr owau hbasletin -gIi lte wwnaaingsth etrd'es a fla omfru unsm -ey- fIbeto soskcioa nnw .- tilhlW et heyl4l 0 cyaopnua' tg ehi,to wdf.ou lltyhT eh ilesl aumsctoerau tpfeoodrn yfworueile?l
Radio Salesmen, $2,000 to $10,000 a ment. bring it to you -without obligation. Why
year. not send for it -TODAY
Radio Engineer, $3,500 a year and up. That set me thinking. Why not get into
yeRara. dio Executives up to $15,000 a graivdeion iunp eaofrfnicees t?w orTkw oan dfe lwloewres Im akknienwg hbaidg NATIONAL RADIO INSTITUTE
moRnathd.i o Instructor $200 to $500 a ma osnaelyes masa nC efrotrif iead laRrgade ior a-tdriicoi anmsa. nuOfancet uwrears, Dept. 13L WASHINGTON, D. C.
Radio Draftsmen, $7 to $15 a day. with a fine office of his own in his home
First Class Ship Operator, $105 a town; the other was a ship operator, travel-
month, all expenses paid. ing around the world, seeing the things I had NATIONAL RADIO INSTITUTE,
Second Class Ship Operator, $95 a always wanted to see -and getting big money Dept. 13L, Washington, D. C.
ma$tol1l o5 TCB$n0ehor2 txoh5imrapa0,d med mncaaesa lCroelsmc nlstia itaoesnhplxns g a pti hadeLO.nn.S a dspnt eaedstur i apotp.noS a rtia,dO t.i po$8ne5r atOoa rp,e mrao$t1no2trh5, frultihoeptaitr Inl le mgd d jooyeoia rcbn ti.g wdn eohodiBtorth. kmu i ntteo ga It, e svwttauhenaderdsy y n oh'tfrwa fadieicdn eei t,ko oa. f oacpnoro dns tIir titibrohaunait dne t os fsooagmvri evedea- tfphpphuooloeolWussl y iirttsmfiiid trooheeennaeont .at ut i botl shSfo oeoomrka"vbsC,eil .cie g"etroY at itwAofioihiulelnoslrdo w h oORtenIelp palpld mc oiamoyrmnt - eue tn pQrsiaihuetcryocittcwu ,ak ri nlenpy" y l eoaRt aiurngsaraeo di onifmodr se "eyefn,p o dars ywEpiamtinmhtrghe-ee
NOTE: RADIO FIRMS Then one day I noticed an advertisement Name
in Radio News. The heading first attracte-d
Secure Practical Radio Experts Among me for it read -"Men Wanted in Radio Street
Our Graduates. Write today. You Can Train at Home for One of These
Big- Paying Positions -This Free Book Will ells :;,;,e
Tell You How." Here was a chance, I
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510 Radio News for November, 1923
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-
Beautiful New Furniture Models
Simplified Tuning- Self- contained
The three new Kennedy Furniture Models illustrated on
this page are the very last word in radio receiving sets.
Even if attention were drawn no further than their ex-
terior beauty, their purity and harmony of design alone
would be instantly appreciated.
The receiver in each is a new achievement of the Ken-
nedy Engineering Staff. Extreme simplicity of tuning is
attained with the same selectivity and long- distance re-
ception that have made Kennedy sets so well and
-one
favorably known. Only two dials are used for
"tuning in" or selecting the desired station, the other
to control sound volume. Adjustment is provided for
very fine tuning.
These models are complete and self- contained. They
operate on dry battery tubes for which internal space is
provided, although any standard tubes -including
storage battery type -maybe used. Two stages of audio
amplification- built- in loud speaker with unusually
clear and distortionless qualities of reproduction. Highly
polished Formica control panels. Gold -plated metal
trimmings on front -including dials. Respond to all
JACOBEAN CONSOLE MODEL broadcasting wave -lengths. Each complete with three
dry- battery tubes, all dry batteries and Kennedy
3000- ohm phones with plug, for individual reception.
Kennedy Model X. Beautiful hand rubbed Mahogany cabinet
with inlay of Satin Wood and Ebony. The tracery, in delicate
contrast with background, is suggestive of the marquetry workers
,..,of King W illiam's time. Price, complete $285.00
Kennedy Jacobean Console Model. Exemplifies the late Jacobean
design. Built of American Walnut with artistically matched panel-
ing, which contributes thee rich subdued effect almost always
associated with true elegance. Price, complete $775.00
Kennedy Spanish Desk Model. An adaptation of the Spanish
r:
with a free. interm ingling of the effects of the Moorish influence.
This is particularly in evidence in the panel. Cabinet finished
either in Mahogany or American Walnut. Interior lined com-
-i
pletely with Golden Bird's -eye Maple. Price, complete $825.00
7 ."M
Co SPANTISH DESK
MODEL
k_
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Radio News for November, 1923 511
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the
enncdyLine
A New Popular- Priced Model,
Head Phones and Loud Speaker
The apparatus shown on this page is of the same
high character as the more elaborate Furniture
Models. The sets were designed to fill the demand
for high quality at a popular price, and, with the
wonderfully improved head phones and separate
loud speaker unit, they provide Kennedy apparatus
for every home.
Kennedy Model V. Incorporates the new Kennedy receiver
and two -stage amplifier at moderate cost. Same type of radio
unit as higher priced Furniture Models, but without loud
speaker. Highly polished Formica control panel. German
silver dials. Space for batteries. All dry batteries, three dry -
battery tubes and Kennedy phones with plug, complete $125.00
Receiver only, without phones, tubes or batteries $ 86.50
Kennedy Type -281. One of the sets that has won recogni-
tion for the Kennedy line. An extremely selective three -
circuit receiver. Solid Mahogany cabinet. Brilliantly polished
Formica control panel, black etched dials, heavily nickel -plated
metal parts. Wave- length range 175 to 900 meters. Designed
for6 -volt tubes but can be used with dry- battery tubes as well.
\Receiver only $ 90.00
Receiver and two -stage audio amplifier $145.00
2 8 1
Kennedy Type -311, 522 Portable. Neat, compact, portable.
Easily tuned- highly selective and efficient. Designed for all
standard tubes, including dry- battery type. Detector and two
stages of audio amplification. Wave -length range 150 to 600
meters. Complete with three dry -battery tubes, all dry
batteries and Kennedy phones, with plug $137.50
Kennedy Loud Speaker. The same as used in the new
Kennedy. Furniture Models. Remarkable fidelity of repro-
duction. with total absence of unpleasant distortion. No
separate batteries require,d. Price, comple te with 6 ft. cord..$30.00
Kennedy Head Phones. Perfection in mechanical and
electrical design results in unusual volume with rich tonal
purity. No rattle or blare. Extremely sensitive on weak and
distant signals. Light and snug fitting. Resistance 3000 ohms.
Price per set, with 6 ft. cord $9.00
See the new sets and parts at the nearest
Kennedy dealer or write us direct for literature.
State type of set in which you are interested.
DEALERS
é vel Kennedy propos fion. LOUD SPEAKER
THE COLIN B. KENNEDY COMPAN`Y -±I
SAINT LOUIS SAN FRANCISCO All Kennedy receiving sets awe
regenerative- Licensed uncle. Arm-
strong U. S. Patent No. 5,113,145.
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www.americanradiohistory.com
Radio News for November, 1923
512
Three Tube Regenerative Receiver
Manufactured under Armstrong U. S. Patent
No, 1,113,149
ONLY
For Use With 6 Volt or 1t1 /2 Volt Tubes
This New
Ace Type 3B
Armstrong Regen-
erative Radio Receiver combines
detector and two stages of Audio frequency
amplification. The lowest priced quality
receiver ever offered. When you tune in
with this set distant stations come in as
though they were only a few miles off.
The two stages make the use of a loud
speaker possible -this is a desirable feature.
Its efficiency has passed every test.
One of the few sets that functions perfectly
with all makes of tubes. A filament switch
eliminates necessity of turning out the rheo-
stats when set is not in use. With this switch
you can turn off set and come back later to
same concert without retuning. The tele-
phone jack makes it possible to use head
V phones. When head phone plug is inserted
ACE TYPE it automatically eliminates loud speaker, but
THEE" Receiver does not affect the filament current. Has
Armstrong Rea generatiSv Pea t. NO. 1.113,149 genuine mahogany cabinet with beautifully
AA rmstrong YT with its engraved panel.
MTahnuef alcotuwre dc uaonnsdtde ro fss iitmtuhppis l icseitty t mogaektehse rt he great Idfi reycotu, r mdeenatlieorn icnagn nhoits snuapmpley. yoAu,s ko rdfoerr
edfefimciaenncdy f or it tin creraescee iver. df rom D"SEimApLlEicRitSy :o fw Rriated ioon" yyoouurr cleotptye rihse FaRd EfoEr.
A long can attractive sales proposition.
coast Ampl ifter
coast -step
tiinnc ctlo nn nAe.cntAiocne Twwitoh s tpheisa kseert ap racti- THE PRECISION EQUIPMENT COMPANY'
which
makes Multistat, PRES.
cpaelr. mHiatsss Cus®eo oslfe ya ny make tube. 1122 Vandalia Ave., Cincinnati, Ohio
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