See page.398

100 Pages·2016·14.45 MB·English

L,pOAOCAST
RNY
STATION
OVER 30D ILLUSTRATIONS
See page.398
EXPERIME,NifER PUBLISHING COMPANY, NEW YORK, PUBLISHERS OF
RADIO NEWS - SCIENCE & INVENTION - RADIO LISTENERS' GUIDE - AMAZING STORIES - SPARE -TIME MONEY MAKING - FRENCH HUMOR
Seting
Sl'ube
al
Metrodyne
Radio Sets
Are Equipped
For
BATTERY or
ELECTRIC
RETAIL PRICE
operation
ihwirvefflAAAAAAAAJ
Wonderful offer direct from the factory! The world's greatest
radio! A perfect working, single dial control, 7 tube receiver! And S
just to prove our claims, we will ship it to your home for 30 days' free trial. Test
it under all conditions. Test it for distance, volume and tonal quality-and if you are not con- CompletelyAssembled
vinced that it is the best single dial set you ever heard, return it to the factory. We don't want Big Discounts to
your money unless you are completely satisfied. Agents and Dealers
Three Tear Guarantee
BIG PROFITS
TO AGENTS AND DEALERS Metrodyne Super -Seven Radio
Our Agents and Dealers make big money
oodseyrf lnMlpiena egrRtt r aModtdieimyotnrseoe . dhs Dyarvniegeemh ntoS onei nstcs toy.r amoYtuepor e uthth ioetcim aosnneu ..p weMLororioekwtr rieaotsyl -tl AbPrayo dp Pisuoiol naprgf urRleelaqa durid eoSni cacLilyea bncosceoreat n.tI oTntrrsyeot,sl iRt,te uadtd7e iao ot nuNfd beS weatap,s npLdtrauoabnrvodeerasdd-, Ekadlnalaroyksb .il ietgTushhnttee ess d e vitosn ol tu oamtlh loe a sptct aeoytnriooaturnto csel.a . n Tr eOlhgoeugn l ldasytiteaa lsto ionitshne ese lseirmnec ctraetihplcle--
wholesale prices. Demonstrating set on 30 tory and by America's leading Radio Engineers. tion from a faint whisper to thunderous volume,
days' free trial. Greatest money -making Designed and built by radio experts. Only the 1,000 to 3,000 miles on loud speaker! The Met-
opportunity. Send coupon, a letter or a highest quality low loss parts are used. Mag- rodyne Super -Seven is a beautiful and efficient
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embodying all the latest refinements. 30days'free trial offer. You to be the judge.
MAIL COUPON BELOW
Let us send you proof of Metrodyne quality-our
30 days' free trial offer and 3 year g tee
Mrs. Wm. Leffingwell, Westfield, N. J. writes: "The Met-
rodyne Radio I bought of you is a wowl This is as good as
any $225 machine I have ever seen."
N. M. Greene, Maywood, Ill., writes: "My time is up
and the Metrodyne works fine. I got Havana, Cuba. Oak-
land, Calif., Denver, Colo., Toronto, Canada, all on the
loud speaker."
Jtu. bWe .M Wetroooddysn, e Linea dfivnlell ec, onCdoiltoio.,n .w rHitaeds: it" Ruepc eainvde d wtohrek in7g-
same day received. Was soon listening to Los Angeles. San
30 Days' Free Trial -3 Year Guaran DKiaengsoa,s O Caiktyla nadn da nodt heort heears tC aalnidfo rsnoiuat hp ositnatsti; oanlsso- aSllt . coLmouinisg,
in fine. Am more than pleased. Sure enjoying it."
Metrodyne Super -Six We will send you hundreds of similar letters from
owners who acclaim the Metrodyne as the greatest
radio set in the world. A postal, letter or the coupon
Another triumph in radio. Here's the new 1928 model Metro - bprriitcnegIss,t acInoMdm poluertIe l tiibnleftroafrlm 3ta0lt idUoany, s t'e sftriemeo tnriiaalsl, owfhfoelre.s ale
dyne 6 tube, two dial, long distance tuned radio frequency receiv- MHUHUHDHHutf
ing set. Approved by leading radio engineers of America. Highest
grade low loss parts, completely assembled in a beautiful walnut METRO ELECTRIC COMPANY
coaribtien estt.a tEioans yo nt os aompee rdaitael. rDeaiadlisn gesa seivlye rylo gtigmed.e -Tnunoe giune sysoiungr . fav- 2C1h6i1c-a7g1 oN, .I lClianloifios rnia Ave., Dept. 26
tionMs r.w eHreo woanr dt,h eo af irC hI ictuagnoe,d siani ds:e v"eWntheeilne ofiuvte- oCf-htoicwang o stbartiooandsc,a sitnicnlgu dsitnag- gar 3 Gentlemen:
cWNleeeaw ra , rYaeos roktnh eoa unogdhf Stthahnee y Fpwriaoennrcee iseacrllos , ionf o nCr ahmdiciyao g.l ooT.u"hd es psueackceers sh oofr nM, evterroyd ylonued saentds Mor AseInLd TaC pHOoIsUStaP l OorN l etter. Get our anSde 7n dtu mbee sfeutlsl apnadr tyicouulra 3rso adbaoyust 'Mfreeterotrdiyanle o 6f tfuebre.
iohsap vpdeou rebt eutenoni toybu oruo gfl ihbtte rryoainln g3o0 u rbd elaifbyoesr're a flr beufery etienr igat.rl i aTol hffboeaur,ss iawsn. hdisc ho fg ivMese tyroodu ynthees SpDAreoVaplE o sdiiMtrieoOcnt N bwEeiftYho r-emW baRunyIuTinfEga ca NturOardWeiro!-. Name
METRO ELECTRIC COMPANY IAfddr ess
2161-71 N. California Ave. Dept. 26 Chicago, Illinois you are interested in AGENT'S prop-
U osition, place an "X" in the square L.
Science and Invention for September, 1927
385
mpi
Preparing
Placing you
you for a
in a good,
better job
well -paid
andaRaise
Position
in Pay
I F You Are
O. C. MILLER
Director Extension Work Now Earning
A Million Dol-
-
lar Institution $40 a Week
o
Back of This or Less
GUARANTEE Learn Drafting-how to make and read plans, and the doors of
Get this straight-the Ia gfiunaer aDnrtaefet itnog p preopsiatrioe ny,o uri gfhotr opportunity in all mechanical, building, and engineering lines
American School was in your home, in your spare swing open for you! There are more well -paid Drafting jobs open
chartered in 1897 as time; then I guarantee to help today than in any other one profession or trade. There's a variety,
yshatiteonoaru neen ,d dwanusaioc lrlitadn tff isoiotn rhnd oepa f ltr b hosieefensi rsttsv. ta riimtecSuseeo-- yyidnooagyuu s a feiatn afdltree nasr u sctty oho5d u0aa %cypo, o msswpintiloiteorhtneei nptt hhaa6yins0- aitin etfsea rsfecosirnt iqantugioi,c nsk o t powr oeDlmlr aopfttaiionindg. - tnhaot wotihlle gr rfiipe lydo ouf.f eNrso e oqtuhaelr o wpoprokr tiusn si-o
iledgeenst. sOchvoeor l2s 0a0n do f ctohle- strmaianliln agm, oour nIt ywoiull praeyf ufnodr ttuhie- The Draftsman is
leading Engineers, Ex- tion. We make this agreement
ecutives and Educators to prove this instruction will the Boss of the Works!
of the U. S. prepared make you a real Draftsman.
tvTfheoherui .sc i hinTses shat rvefuoaicrirtl iaiotsbsntl qae wu ntoadel yiiotnoyfug.- uiBthtnaaect iekon nsto irfoe ft thrtiheissits o u=gmruciaellrsita oannint edode o rlealparne-r Dwielsl tsrtooyp bulnuteil - pnreiwnt os naens dc apnl abnes m, aandde. thEev ewryh emelosv eo fo fa ellv eIrnyd wuostrrky-
on terms of only a few man on the job is controlled by the Draftsman through his plans.
dfoorl loaursr as omuvoennthir. Wboroitke, Railroads, public works, buildings of a hun-
"White Magic," given dred sorts, machinery, electricity, automo-
FREE in celebration of biles-all manufacturing and construction
our 30th Anniversary.
start on the Drafting table! That's the kind
Free Job Service of work to get into, friend. Where you have
The American School is the first the same chance as anybody else to make a
in the home -study field to rec-
ognize the need of guaranteeing quick success!
ita courses with a money -back
cacocnotrmacptl,i shif tthhee btreanienfiintsg yfoauil se xto- 0 ---t0 prove you can learn
pect. Thus all risk and doubt are
welililm hienlpa tyeodu- teoi tah ebre tthteer tJroabin ai nndg at home in ,spare time!
a raise In pay or It will cost you
iamtnmh oeeNptn heoatim trnwitogpahnl.n ioaTcty lho es reebksmre evetopitpcfle oser ,yD icmnwra aeerftnr otysmtu m ocdauheein tnp wt taahiarititlhns-l lYteiamorune' l lDm breeat fhstuionrdpg.r ibWsye deo uhsrto awnre twq yu oiocnuke l-yost fefy pod u-oa tci- naang -
oexvetrra t hchea rUg.e Sto. AoullC sthtuisd ewntisth aonudt actual Drafting room jobs from the very
graduates. beginning. Before you know it, you are
Professional batting out professional plans like a vet-
eran. Get the first three lessons-the cou-
Outfit GIVEN! pon brings them. Do them. Test your
ability to master Drafting at home.
lllW.Mithout IcosMt or obIligMation. ----
You will naturally expect the American School to
give you the best kind of instruments and tools with
ttoh eu sbee sptr okfiensds ioofn atrlalyin ianfgte. rT yhoius ofuintifsith iys oguoor dtr eaninoiunggh. OA.m Ce. rMicilalenr , SDcihreocotol,r EDxetpent siU a Workó
Mail coupon for description. I, Your offer to send mDer e3x elle sAsovne.s afnrede 5a8nthd Sfta.,c tCs haibcaoguot the oppor-
O. C. Miller, Director Extension Work i tIut niist ieusn dienr sDtoroadf tiIn gam a nndo ta boobulitg aytoeudr inc oaunrsye ,w laoyo kisn gmoaokdi ntgo tmhies.
request.
ch.xl
Araerican
Name
Address
Dept. D-626, Drexel Avenue and 58th Street, Chicago Occupation Age
time*
ciod
.:,',. Vol. XV September
`a,I : Whole No. 1927
173 No. 5
s',
1?>".? ,i,m...Ì.m:,níiln_n5jlul su-,n üuiullulh- -`'
Published by E
Publishers
Editorial Staff
HUGO GERNSBACK, Editor -in -Ch
H. WINFIELD SECOR, Managing
T. O'CONOR SLOANE, PH. D.
Associa nninge
JOSEPH H. KRAUS, Field Edito rresPi
PAUL WELKER, Radio Editor.
S. GERNSBACK, Wrinkles Editor
\V. J. ROMAINE, Art Director.
IN OCTOBER IS
Planes Steered Through F
The new devices used to
airplanes through fog and s
will be described in this ar
Making Movie Film
The complete procedure
in making movie picture
from the raw materials.
Perpetual Motion Exposé
A new and baffling inve
which closely approached
petual motion" is exposed it
article.
Recaning Chairs
If you have any old c
that need recaning, you wi
able to do this by followin
instructions.
Human Nutrition Problems
Experiments on the prob
of correct nutrition will b
scribed in this article.
now TO SUBSCRIBE FOR "SCIE
City. Checks and money orders shou pertmenter Yuolssning Co., lnc. Mention
AMAZING TENERS' GUIDE, SPARE-TIDIE MON E 10
ac luwb eerkaltye. s. t special redue
Then unless
yY... /y rIt SCIENCE
price Is $2
U. S. stam
this journ
i
IVIES,
u)RarRe ISB a,..nl iQl BlNriuYlI lsl,-n ...I
A HANDY PULE FOR YOU
IrIfJTÌi1I111ilrmplifrTflIwrnnlrinprlrrliiiiInii¡nlInlprllipmfnliIiIiplinlplil1rl111nrinllplllrIpryrIIpnrnqlnflrm¡nwrin
1 2 3 4 5, 6 7 8 9 10 11 12 13 14 15 CENTIMETERS
1 2 3 4 5 6 INCHES 7
illIlIl IIIIIII ILl,lll.Illfll IlIIIIIIIIIII IIIIIIIIITIII Ild_AiLdlll III IIIIIII III IIIIIII IIIIIII
Science and Invention for September, 1927 387
Amazingly
'
to get into ELECTRICITY
Don't spend your .li.fe. waiting for $5 raises in a dull, hopeless job. Now
..
and forever say good-bye to 25 and 35 dollars a week. Let
»
me show you how to qualify for jobs leading to salaries of $50, $60
and up, a week, in Electricity-NOT by correspondence, but by an
amazing way to teach, that makes you an electrical expert in 90 days!
Getting into Electricity is far easier than you imagine!
in90
LearnWithout Lessons
DAYS
LCK of experience-age, .. all real actual work .... . exceeds the supply. Our employment
or education bars no one. building real batteries . bureau gives you lifetime service. Two
I don't care if you don't winding real armatures, weeks after graduation, Clyde F. Hart got
know an a-rmIa ture from an operatingreal motors, dyna- a position as electrician with the Great
air brake don't expect mos and generators, wiring Western Railroad at over $100 a week.
you to! I don't care if you're houses, etc., etc. That's a That's not unusual. We can point to many
16 years old or 48-it makes glimpse of how we make of Coyne men making up to $600 a month.
no difference! Don't let lack you a master electrician in $60 a week is only the beginning of your
of money atop you. Most of 90 days, teaching you far opportunity. You can go into radio, bat-
the men at Coyne have no more than the average tery or automotive electrical business for
more money than you have. ordinary electrician ever yourself and make up to $15,000 a year.
That's why I have worked knows and fitting you to
out my astonishing offers. step into jobs leading to Get the Facts
Railroad Fare Prepare For Jobs bgirga dpuaayt ioimn.m Hedeiraet,e lyin afttheirs Coyne is your one great chance to get into elec-
Allowed Like These world-famous Parent school tyreiacristy o. lEdv-Ceroyy onbes ttarcalien iins gr eims otevsetde. dT-phriso vscehno oble iyso n28d
fsI1rtaho'r2lroaa lIe ubr ia iwnlrntsdioseig li fy lns Ctsoewa hheylueloidooc ep uwakasp gss tao,oy or,o iyt fni- uaott .nirCtu m hTdo re ehayni iefnewgl nrervyoo,,e oeariaukndrIt tlAopSAIirnfflaurueo Hvmibttynpeoiesammoen rttdsEaetueeiot ltrn iaiereoetom rc mnentEe brsOpani -xuc l :oporp ifpeaeeyeOeanwrmranu t$u $t e o$1or1nf6 0tgr1U ot50 i0hf v n r uaaeesalCn iees mWWWo d rvyreyieeeeitnmoceeeedeeudkkks- -. -wJCtraooaoDniyrbnndloidnsen -g ,n'ctt! or aPwawnionah rierynyrygoe ,a u eFb sleogsuteuet ltttie nauss jurotthhcbehee, acSfmSjoGroleoiuelamrb ernnas d pgs ycC.olr. t ya ue.eoY daabym.tuornt naauo-esteit n aelenc cbxls taaedo phn.rio oenie Jtenkr fuscss ti oheeonsh.sftddue . p wfm1o.iobe5ha unily0ioid tl l .peas p mec npThtovdorohauea rntilr tpioseuyyn otgndt i nhnroilma.taig einpre esgagh ssne ns.e a donTbe. tdhsl e.oe ooyl.cbllwos tulr uif tigyawe caoclateythtule s e a f cys.hrbosoe.oiin eugws..-.,t
dre. aomne tdh yeo gur ecaotuelsdt b oe utrtalainye odf MSearvinicteen Satnacteio En nOg$$iw12n50en00ee rraa WWeeeekk jmoba ndq ufeosrt iCoony nfoer m leifne .o fDteen- FREE
electrical apparatus ever as- Radio Expert - $100 a Week
sembled ... costing hundreds
..
orefa tl hdojunsaamnodss , oefn gdionlelas,r sp owe.r plants, Now In Our Book
autos, sw..it.c hboards, transmitting New Home
y
stations everything from door- a new,
bells to fa.rm.. power and lighting .. . ilanrsst,a llweodr tthho uosf atnhde» n oefw deoszlse-rot
fdNualNyol-!os i Bzdeudol l obLokoiensk ss-f,us Nlnolo oo npbs aefrP faltirinoignn cethveaerdrtys atkftwcaTiornicrnnnoaiadvda dedric nnllne sdicnailio'tmg.. nei ev lnnead g lWEtt teeeo.ee çnvtv nee a ceou tctemertirnhe ypdihooid cnmPddedw otgty»ue em oihrbrnotooinuaefn oftf veegihg nreEopna ytfy lo flpoaeo ottnhhpunacouxeeey.drl-.rr l 111 MC5DdS"eee0eOatWr0raavr.Ynri-i cil 5 steHMNh2 w. o4o.ErhuR .f i tClaL eESRdo e.lLi ba.weo iLlEa lPiirsgraeCon:aan awitTudndio g RlinA.siF"In , suCa eIatrP onAe udmS rnL etmodto s.te e,i.Srv C syCCethoa iHhunCcrdiaoO cg buIoaOir g.sgw e LfosiFrl,,el, r e DeIan ecInoe IadtEp.t a bmtbl»eoop gwbl6 oo ay7tnIhm d.e8c eraaen3lndtl
by any salesman.
ELECTRICAL SCHOOL
Name
H. C. LEWIS, President, Dept. 67.83 i
peeress
500-524 S. Paulina St., Chicago Ill. Established 1899 City State
388 Science and Invention for September, 1927,
INDEX TO ADVERTISERS
Page Page l'age I'ai,e
A F Mc R
Albany Foundry Co 458 Fawcett Publications, Inc 390 McCoy Health Service 448 Radio Association of America 468
AAAAAAAAAAAmlmmmmmmumnCCgdieoooeeeeeeete.r.anrrrrrrr iliiiiiii qc ccccccc.auaaaaaaC&a.nninnnnn.n no C mSTAASSSToEcpeccce.uuhllahhh,ce ettonooohoocpoTyooo.n h ll llh i oPc&eConaao oofeoli. f. n f R Pt&Siah AnModoT4gcivt6eoi ouei3l gaetSs,y trgciia Mc4rho4pa5.o.6n3hf.p.4o7.g8.y.h.,l., 5 -444444444476766564659936337870 FFFFGGGGierieiiosrMlavrrrshsornedoteyulnk ondrs snl H i,ic & nMCSa,C ElwoifaC..Idg ,nIan oen.diSs . icT y taC.iRh ntoeuuC . t,loC ee GAo nCdsoae.m rv atory4 67o,f 444444447645565411670848 MMMMMMMMoeaiceualvtxGtrnlrretisnooeirron a p,n wi&oEOq, lM-uilpHteCeFaeoci on.rnlt lar rHI itoncoBPNoes .rot iesedCo wlkeM oS s c CFhBrooo.ou,n lr teI naCcu ov.e.r., 444444444474645593969649 RRRRRRSSauaeeoouAdnlamsnsfivsds amos -eioleG adrelyI p S orm,iCh uWpcP pleeaCdrrcim,&e .lo i l savCeiTsalCLenot hmym.to. e .Cs e CC onoo.StC, .. o.T Lheea gue of. 444444446746566479761054
Inside Back Cover Shields Engineering & Pub Co 463
AAvuitaotmioant icI nRsutibtubeter Cofo . U. S. A 446749 HHaammiillttoonn , InCs.t itFu.t eH, Alexander 447515 National Candy MNa chine Co. 469 SSSttiernorclnliangigfro , rSt TtoaIpsn. stWituattech Co. 444657979
BBaelrdnaa rdA r&t SHeerlvleicre B 444647 HHHaoorlbdtaoirnnt &BC rooL.,s a.v FiCrnao n. k 461, 444775156 NNNNaeaetltsisitooolnennar a ll A RRSeurcabohd boioeSor le rIvnoFiscfut eis t.u CtCea rot.o, onIinncg 344478751950 T
Blancke Auto Devices 466 New Method Mfg. Co. 473 Tamblyn, F. \V. 457
Bliss Electrical School 469 New York Electrical School, The 459 Tarbell System, Inc. 473
BBBoouegeisuncegh,, e rB M. B. Nan.L d. Inst. Co. 444675494 IIIdnnekteaorlg nraAatpeiohron paClla on.,e C To&hr ree Ssuppopnldye nCcoe 447715 NN.o rtYo.n Institute of Photography 445799 Townsend Laboratories 452
Bureau of Inventive Science 446 Schools 458, 466, 468, 473 U
Cervenec System, CA 458 IIInnrwtveeirnnn taoAtriosi rncaSrlae frtvH iceCeao t.iB ngu reCaou. 444665664 OO'wBernie, n,R Ciclharaerndc eB O.A 444454 University of Applied Science.. 450
Chemical Institute of N. Y., Inc 391 Ozment, C. J. '71 V
CCCCCCCCoolohorooyinxilntccennc,ska meh.r g, al SaoodCn.E wL ,olM tC,eJmd W.co.o W,pt.t r,aoa iCtncrasI .aylno tTl cenG .rr ,.Sa EciTnh. hioneog l 4C48o,r p4 66, 444434344865477867766038 JKKoaehrrnor sl oW&n eSSldominnistg h CCSoco.h,.K JoB o.l 444686904 PPPPaaeaCirglrnkmkoege.s -a, r Dn,T aWhvCIenio.s so tdLiStw uchoteor koPlio nf g o Af MmAaedcrihvcieanr eti s- 444474465668 VWWWaaaancgs ohg i DnTMgeovtoofegln n. CteSoCr.c, o h.o,H oW.lH o.R f .A A. rt, Inc. 444466543306
D L Penn Merchandise Co., Inc. 469 Washington School of Cartoon-
DDoryuegrl,a sP, roLf.y lJe. A 446783 LLaacbeoyr at&o ryL acMeya terials Co. 444486 PProollyllaemc, ohuletkt.h , ZLR.. ocHk Squab Co. 444564076 WWiahnsigthe i,n gDtoenr eSkh ow Card School 444657741
Lancaster & Allwine 444 Popular Chemistry Co 473
E LaSalle Extension University Postal Pen Co. Back Cover
Engineers' Service Co 475 LeRoy, Wm. 464, 445609 PPruebslsi shGerusi ld, CTlahses ified Service, 452 Y
Evans & Co., Victor J 447 Liggett & Meyers Tobacco Co 461 The 476 Young Typewriter Co. 461
ELE TRI CAL MECHANICAL
(Ml,
C AND
EXPERT
IIJITO
CLIP COUPON FOR
P FREE AUTO BOOK
#1E5AR0N
TO If you're earnpinga gcent .:_
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Testing
FUZóEEó and mSeennd afroer bthoios stainmga ztihnegi rF RSaElEar ieBsO, OmKak irnigg htB ingo wex! traS eSe phaorew - timhuen dMreodnse yo.f
B. W. COOK E, Directing Engineer, Repair and getting into Money -Making Businesses of their own-NOT IN
CDheipcta.g o6 39M otor Training Corp'n Outfits YORE AMROSN-bTuHt Sal!m ost right from the start-in a FEW SHORT WEEKS,
ASO1euf9fnt1 od6. E mSxuepI netnF rtyR issaEi dt Eehu onmAdAeevur esti.ton,o oBsCdp ohaoirtckeha agttioa mn, dteh .Ii IspI .r Aooolbsfo li tghsaeatnetd s Iy omcuear n F inob uecrno oOm uew tfaiaytns. TEAFoLRloeLlEsc ,t EerTqi couoaiOpl lm FBe TangEet. s XtP inoTBcrletRuandbcAelhed, W. COOKE, EDNIRGEICNTEINEGR
CHARGE. Also 360 Wir-
Name isno g sDpeicaigarla mE leCchtrairctsa.l EAxl-- CHICAGO MOTOR TRAINING CORPORATION
perimental Outfit. Won-
Address dQeurifcukl. OCffleipr Ncoouwp. on Afocrt Dept. 639, 1916 Sunnyside Avenue, Chicago, W.
full details.
Science and Invention for September, 1927 389
Many times in the old days,
while I trudged home after work
to save carfare, I used to gaze
enviously at the shining cars
gliding by me, the prosperous
men and women within. Little
did I think that inside of a year,
I, too, should haze my own car,
a decent bank account, the good
things of life that make it worth
living.
I Thought Success Was For Others
Believe It Or Not, Just Twelve Months Ago
I Was Next Thing To "Down -and -Out"
TODAY I'm sole owner of the fastest "Bargain counter sheik-look how that suit the score of lines they prepare you for. And
growing Radio store in town. And I'm fits," one fellow had said in a low voice. to think that until that day I sent for their
on good terms with my banker, too-not like "Bet he hasn't got a dollar in those pockets." eye-opening book, I'd been wailing "I never
the old days only a year ago, when often I "Oh, it's just `Useless' Anderson," said an- had a chance!"
didn't have one dollar to knock against an- other. "He's got a wish -bone where his back-
other in my pocket. My wife and I live in bone ought to be."
the snuggest little home you ever saw, right NOW I'm making real money. I drive a
in one of the best neighborhoods. And to As I thought over the words in deep hu- good-looking car of my own. Mary and
think that a year ago I used to dodge the miliation, a sudden thought made me catch I don't own the house in full yet, but I've
lfaonr dtlhaed yl ittwleh ebne dsrhoeo mc amI ec altole dc o"lhleocmt et"h!e rent mfieyd bwreiathth . myW hayn swhaedr Mthaarty "Ib eehna dson 'td ishsaadt isa- mnoatd est raa insiunbgs tamnytisaell f daonwyn top amymeeetn tt,h e aninds taI'lml-
chance?" Did Mary secretly think that. too?
It all seems like a dream now, as I look And after all, wasn't it true that I had a ments.
back over the past twelve short months, and "wish -bone" where my back -bone ought to Here's a real tip. You may not be as bad
t"heinndk ohfo wa dbliisncdo uraalgleeyd. " I I wtahso utghhetn , I ant evtheer btoe ?g eWt aashne'at dt h? at Iwt hwy aIs ntreuvee,r ohnaldy at o"oc htarnucee"- oisfffi eads ? I wAarse. yBouut , mthaiknikn git oenvoeurg-ha rem oynoeuy ,s aat-t
had had a good chance in my life, and I and it had taken this cruel blow to my self- work that you like? Would you sign a con-
thought I never would have one. But it was esteem to make me see it. tract to stay where you are now for the next
waking up that I needed, and here's the story ten years, making the same money? If not,
of how I got it. With a new determination I thumbed the you'd better be doing something about it in-
pages of a magazine on the table, searching stead of drifting.
for an advertisement that I'd seen many
IWAS a clerk, working at the usual miser- times but passed up without thinking, an ad- This new Radio game is a live -wire field of
able salary such jobs pay. Somehow I'd vertisement telling of big opportunities for golden rewards. The work, in any of the 20
never found any way to get into a line where trained men to succeed in the great new different lines of Radio, is fascinating, ab-
I could make good money. Radio field. With the advertisement was a sorbing, well paid. The National Radio In-
grBseeoaue Olmwtl-tyehim tdeh ruw tcsofeuhe lcllb l c-eoape swsao siusI d ta swnoevdfeaa mncmatae eynddd c leiittceonhes een f i-tnI gt doio neo vocdcepoa rplmt lho iherfntoe-ugraan srl idlst to ihtemhoasee.ft cmdpooapraiuypntpsioto oerntndu.r enociiftneIfi ieevsrsteiew ndnogi tn atach t ohebl eohi gcraso rnf,au drdpestieeooo lnml b ineifoni goe, kld6 aa4 fln u-lpad llna adgiobn efo huaiotb nw offeoot hwkrea-, sspfinrcteo ihntmotushoi tevle Ae-Rlo iynalt ddoi ientohZs ety f ioaeawunlndrddo. rotllwoad rn-giw nechsirotle lm aRseate rd taoiyio no k uhnryoo wmoeu ae r -Rnsinitanueddgxiyso-
kind of knowledge I didn't have. mto anta kcea n adpvreapnatareg eq uoifc ktlhye saen do pepaosritluyn iatti ehs.o meI Take another tip-No matter what your
ttiroyAn ,in tdw- baIu snwt' tai tni ttw?e do utMold angre'ytt hmwaoavurerl ideb dehe.a nvA ef afaiinrg er etose idthu eatro-. rite aId m tahdee bmooyk dceacriesifounll. y, and when I finished pywlooliawutnh s ka nniaondrwt ee,l r oeonaskbot ionmtuhgtae tiRtrfe aafrcr dteshie,oo w-bfco ilgomiupkru ecotshhv, eeo ra.r nc odIhtu o pwiops nhf oillitltboetelsde-,
Mary had told me, "You can't get ahead and the information it will give you is worth
where you are. Why don't you get into an- WHAT'S happened in the twelve months a few minutes of anybody's time. You will
other line of work, somewhere that you can since that day, as I've already told you, place yourself under no obligation-the book
advance ?" seems almost like a dream to me now. For is free, and is gladly sent to anyone who
ten of those twelve months, I've had a Radio wants to know about Radio. Just address
"That's fine, Mary," I replied, "but what business of my own! At first, of course, I J. E. Smith, President, National Radio Insti-
line? I've always got my eyes open for a bet- started it as a little proposition on the side, tute, Dept. KD -6, Washington, D. C.
ter job, but I never seem to hear of a really under the guidance of the National Radio In-
good job that I can handle." Mary didn't stitute, the outfit that gave me my Radio
seem to be satisfied with the answer, but I training. It wasn't long before I was getting J. E. SMITH, President,
didn't know what else to tell her. so much to do in the Radio line that I quit NDaetpiot.n aKl DR -6a, diWo asIhnisntigttuotne,, D. C.
stoIpt pweda s ofof n itnh et hwe anye ihgohmboe rhthoaotd ndigruhgt tshtaotr eI, mfuyll mtiemaes lyt ol imttlye Rclaedriioca lb ujosibn,e sasn.d devoted my DeParle aMser . sSenmdi thm:e your 61 -page free book, printed in
wawlibfheoere!uer te thmIe y oscevalefu.rs hee Aaor fd f tehawe sctburuarrnpn iniongfg pcwooinonvrt dersins a tthimoaynt wfriaeSynisnd cseu nattdh eathrt et tiNhmeae t iwoI'nvaaetcl hgRfouanlde igoru iIgindhsatt nitcouent e.uo pfT , hmaelyy- tiarswteati qleoeh sus oemcmsoietnle no rpRtawol.a a icdlgltei aisovk c ieana mlgnla edd o vanlhua lonn mwtdaiee ng.r feI o rncmooaf na ttoiholbeenmla irg.n aa btqiooIuu nitc,u kntldhaynee d ras otnapdtnhp daoe tra ttsuhinnliyos-
would have given me just as much help, too, Name
With a hot flush of shame I turned and left if I had wanted to follow some other line of
the store, and walked rapidly home. So that Radio besides building my own retail busi- Address
was what my neighbors-the people who ness-such as broadcasting, manufacturing,
knew me best-really thought of me! experimenting, sea operating, or any one of Town State al
3(90 Science and Invention for September, 1927
Now on Sale:
Tlie first number of
Magazine
-- ,.
Be Sure to Read
i
i
"Come back here you fool!" shouted
Colonel Westbrook, "Around!
Around! not through it."
M. P. Casey, M. P.,
by ARTHUR GUY EMPEY
The thrilling war story of a rough -neck Irishman who craved action at the Front-and got it!
A Flying Fool's Luck Messages of Death
By RAOUL WHITFIELD By CAPT. DAVIS JONES
The story of a young war -bird who proved Harp" Quinlan shows up his cowardly officer
his mettle in his first aerial dog-fight and saves his company from destruction
Fawcaett`8 Sept4
" ; Old Rupert's Last Raid
I
15 By J. R. JOHNSTON
Salvos of Steel
thrilling war By LLOYD KOHLER
stories in this BRaotbtlbei nSstdoarlkes, MMaingnaz. ine, (Sept. S. & I.)'
i
issue. Get your naImncel oasse ad sfuinbdsc r$i1b e(br iltlo oyr osutarm sppesc)i aflo rfi vweh micoh netnhtse or fmfeyr
to Battle Stories. Or, inclosed, find 25c for the
September issue.
copy today!
Name
i
1
25c Address
.Jcience and Invention for September, 1927 391
CHEMICAL INSTITUTE OF NEW YORK Mountoursville, Pa.
16 East 30th Street, New York City.
Gentlemen: I must tell you the success I have had since taking your chemistry course. My
salary has been increased several times, and different industrial plants are coming to me for a little
advice on different things, netting me a fair side income.
I am only sorry that I did not make My whole life study of the wonderful science.
(signed) M. E. Tian Sickle.
CHEMISTRY
NOW CHEMISTRY has no equal as a profession in the
is the Time to Study modern world. There is mystery, romance and
Chemistry fortune awaiting the man in the laboratory.
Millions have been made by the discoverers of the chem-
Not only are there boundless op-
portunities for amassing wealth in ical formula of dynamite, bakelite and many other world
Chemistry, but the profession af-
fords congenial employment at good known chemical products.
salaries to hundreds of thousands
who merely follow out its present Opportunities in the chemical profession abound on
applications. These applications are
innumerable, touching intimately every hand-and as modern business and competition
ethvee ryw obrulds.i nesTsh ea nwd orekv eorfy thper odcuhcemt iisnt progresses the chemist will play an important part.
cIat n is htahred lyk eebnee stc aalnledd mwosotr ke najot yaabllle. Profit by the experience of Mr. Van Sickle and many
kchinedm icoafl plalebaosruarteo.r y Tahree dfiallyesd iwn itha others, resolve to study chemistry NOW.
thrilling and delightful experimen-
toaf tioan ,d iswcoivthe ryt hteh ata llmuraiyn gs peplrl osFpoecr.t YOU CAN LEARN AT HOME
tune always at hand to spur your
enthusiasm. To qualify for this remarkable calling requires elaborate
Easy Monthly Payments specialized training. Formerly it was necessary to attend a T. O'CONOR SLOANE,
A.B., A.M., LL.D., Ph.D.
sYlfienOptysemvholo uea eY eualcrvna l oeee lmsur xtrc hyte taohpaerp nedaaulcmlra o siohnnc w.p nc tec ash,' ht ty-oeo es Tamfoo mo nhfhffoi ba diesrecvsu t tvamrheyieylim nce tra o yc otlweoolsolinudc t nniu toudteht hhtuohce.lf sa ryafsaimv s t ttoeiee- ooa u tvyWulnhrpleoet r eorav ury rymce iwcetotnmsheoowu itit uenarnohtsnratrhgnieushrttnee.s.,'se-t utiatoihnnnumasdirtnve rke.ul crescos ttiu iEttoyrouvsn see, fo noyeu ardorn wuu dsc hie ctaivhagteee nhq r oluanyynlioo plyuyw p eey aicrsonrfotsue am cryCsttm eeohald oeft a nmhc afqoinossumdctrir h eryeo,ti mhokdtloehimurneaorpgeitund gyyigtahoro atu ueyir nso yicuppnsarortgn aes ,cmis ttptiib aocakuonaretefl, Ntoycctathirhneacocoyalnehyatr r mei. sle fd Ciovh screhath IrmsFeenyy meome senDrntiamgiwrctrsrusaa.stoe gc l rr etklwotSbyd.oS ru li ot,ot h ac LThnihemieertse eyic a na ttnawu syucuraa ergrnserew hdc drot ef i amlottna.cr A md hk meepnmmrAorNecaawiiruncosainy----lt
-agnidv ele t usu s theex polapipno rotuunr iptyla no f ins hfouwl-l work in a chemical laboratory. Dr. Sloane gives every
hiniggh lyy ou trhaoiwn eydo u teccanh nicqaula lifpyo sfiotri ona one of his students the same careful, personal super- Special 30 Day Offer
without even giving uD your pres- vision that made him celebrated throughout his long
ent employment. career as a college professor. Your instruc- Bhiess iEdexsp efruimrneinshtailn gE qtuhiep msteundt.e nwt ew aitrhe
tion from the very beginning is made inter- mfoar kain gs hoarnt wahdidleit ioonnlayl. spYeocuia lo woef feitr
esting and practical, and we supply you with to yourself to find out about it.
apparatus and chemicals for performing the Wtrerei teb otookd ay"O fpopr ofrutulln iitnifeosr mfoart ioCnh eamnd-
fascinating analyses and experimental work iwshtsil.e" it Siesn df rethshe icno uypoounr rmiginhdt . noOwr
tohf att eapclahyinsg ,s uacnhd ay olua rgaere paawrta ridn edou rti gem eInthsotid- jawu shtap toewsvtreairlt e yyaonoudu r dmnoa,a mile a citat ndttoo da aduyds r.e bsse fBoorunet
tute's official diploma after you have satis- this offer is withdrawn.
factorily completed the course. DON'T WAIT-MAIL. COUPON
NOW 9
Chemical S.I. Aug.
CHEMICAL INSTITUTE OF NEW YORK
G Institute Hom16e EExastet n3si0otnh, SDtrieveits,i onN ew7 York City.
Please send me at once, without any obligation or. my part, your free
of Book "Opportunities for Chemists," and full particulars about the Ex
perimental Equipment given to every student. Also please tell me about
your plan of payment and your special 30 day offer.
New York
EXPERIMENTAL EQUIPMENT FURNISHED TO NAME
EVERY STUDENT
tcohrWeym e iacpagpli vaeer aqttuuois p mevaeennrdyt, ssiutnupcdpleulnidetis n, wg iatnfhodor utyfto -nratidynd ei dtiipofifneeacrlee sn ct hoafc rhgeleam biotchraails-s HomDei visEioxnte n7 sion ADDRESS
aunsedd rfeoarg etnhtes . exTpheerisme ecnotaml priwseo rkth eo f apthpea ractouusr sea.n d Tchhee mfiicttaelds 16 East 30th St.
heavy wooden box serves not only as a case for the outfit CITY STATE
but also as a useful laboratory accessory for performing New York, N. Y.
countless experiments. as mg ea Wi1<aiLt
392 Science and Invention for September, 1927;
GREETINGS!!
FRENCH .HUMOR
NO HARM DONE
French Humor
gives the readers
1lfjorlnli
' 1 of this book the
MIS
i,
first confidential
view of a sample
page direct from
the first issue.
Nothing Like It
In America
Authentic, Live,
Original, Clean
--lUIrmne rma, g ,n neldr irrr Ie nj'r,r,,tr tamep. rlrrs o,sae arsr rd_ r rasier la bands ',lehre der mhos' and Snappy
"""GATrlhaaanddat' ,m fe.en nrisedvo.l ' t n s1 n,pue..1r ttbitrionkuet It heh obpege :' mirror in the parlor." FRENCH
Helpfull Hints The Safest Way A KNOCKOUT HUMOR
TE Count Louis of Canosse, a Roman.
owned some beautiful silverware.
There were several pieces of the most
mothaervrse.l ouas gcorbaleftts mwahnicshh ip.w asH es hahpaedd, alimkeo nga directly trans-
tiger-and which was most skillfully carved.
goOblneet wdaityh ath e friienntedn tioofn hoisf bhoarvrionwg ead cothpiys lated from the
made. But he kept it snore than six months
anSd tohem coeuant ftheadr tot haset,n dt hfios r siat.m e gentle. .'i" French Press.
-Lu oeI.s. r.r dppr eraorr hlee rtfb etr,a r.a.k.e !r eCf npmetrirtterns r aJtararr.r stBohgua tk estrhms eeinlnew t :ht hiceh count s aonvhseawrp eeredtod blikwoerirt ohw loab basnstateeltrr... -_TEh' s bafoo nis.A' npnsa 'r, ntjaenu ds eIrsisis( trwn!lioinet, ,o etoSn tire!¡r ('jopuunr tsOtc.
fro ' "Tell your master that if the tiger. the S111(11!
'"HReihgaohovtke snt nhsne! ret aSnamk s cmanpt ot1h ie t askiiedn e is. .o g tlrsn xB rliettslet! dtmbre,aue cctkkeh,is ntd ls' olmofnw reoaa.thn,t egimwmha i'l,lt ts o.t nhtIea<ovtIo ekr tm hmesei o xr Ikensmk eslpoutne ctrrhk,t s. wtSoho i cchoh me'ielsl . \U\'In\noc o,nxs1tre' mTI aasr hnso.a udl Id s ltiakue , thotoel d sereo atnh ei ' "fa ce of the
lOc.
t,/
! II I
I 11 .1
-,
The Copy
FRENCH HUMOR ARRIVES IN AMERICA
FRANCE, the magic land of hu- wit is no more smutty than the aver- are studying or who have a smatter-
mor, wit; and keen, knife - age Chicago citizen is a Gun -man. ing of this important world language.
edged "parlay", now offers This new magazine will show Am- The first copy of "FRENCH
humor -loving Americans, its' choicest, erica what makes the Frenchman HUMOR" will prove what we say-
flyin emsta ghauzminoer, t"hFroRuEgNhC tHhe HneUwM wOeRek".- loanualg. hI-ta lwsoil l thfaots theru mao rb eistt eirn teurnndaetri-- itte'srt athinei nfugn nmieasgta, zwinitet ieysto ua ndh amveo ste vene-r
Americans (who have never been standing between Americans and read.
in France) invariably hold the opi- Frenchmen as a whole. Illustrated Copies are sold on all newsstands,
nion that anything French in humor jokes in "FRENCH HUMOR" are large size magazines 9x12 inches,
or jokes must be smut with a Capi- printed first in French-and then in profusely illustrated with genuine
tal S. This is of course all tommy- the English translation-this will be French Illustrations.
rot. The average far-famed gallic a great interest and help to those who PRICE 10e. THE COPY
Weekly - w- Experimenter Publishing Co. Inc.
10e On All Newsstands
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