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WONDERS OF SCIENCE IN PICTURES! 



JANUARY 1 



■7 



I. 



tVie 



"■es 



.-L ■■■'ding- , 

. '"^'"'■d be/.' 




_0|i(. 



Of 



Wo 



Ladies' & Men s 

RINGS 




SUE ptaic itfing or pif^cfi af papdr OrOUnd fjilQer. 
Mo'k where ond renthdi, Send wilh orderd) When 
pa^tman dvliveri paikaqe pay him $K94=pru4. 
poilage ond CO.D. charge*. If ftiu tend %1 eoth 
or money order with orderr we pay of! patla^v. 

HAREM CO., (House of Bin gi) \ 

30 Church SI.. New Turk 7, N. T. - Otpl WStl 




1^ _ OniD Nlii Ijrht*. hanrf Eorvwl fram >t* — 
^ n,/| dI Ih* Coroie Pain. Hand palkkh-d ■« ^-t^ U 
a bHirrrful oban^ bfod and wUh itmukslW pvoH T>M«* 
■Q* kighlj (ntiBd bj Th« noiivH at P f rtd tkfc Tim'* ■ k»|an4 itiat 



SCIENCE COMICS, January, 1946. Number I. Published hi -mfintJily by Himor Ribll cat Ions, Inc. Office or nubliration, 29 Worthlngton Street. 
Hcrlnelltlii 3. Miisa. EdllorVjl and EsscuUve ulfloes. 67 West 44th Street, New York 18, K. T. Applical.lcoi for Second Class ontrj penflirg at Uffi 
I'oBt omen, at Sprlngfleld. Mass, Slne'e copies, lOc; 12 isauos. SI. 20. PleEEo send atl snhscidptlona nnd corraapondence lo 67. West 4'Uli Streets New Tort 
lii, N. Y. Copyrlcht. 19-Id. by Mumnr Pub 11 cat! wis. Inc. Piloted In U.S.A. Tills maifMln* producad in accoi'daiii'O witn WPB rcuula Lions, 



4 



4 



-. 




ON AUSusr 5, 19^5, A SINGLE gOMB FROM A SiNSlE B-29 
DEVASWfED THE JAPANESE CITY OF HIROSHIMA -ANO WITh"" 
ITS DErONATlON THE WORLD ENTERED A NSW ERA: ThS ATOMiC 
ASE] HERS 15 The /^O'^BNTOU'S 5TORV OF THE AfOM VVH05S 
ENERSy 5CIENCE RELEASED AND KARNAS5ED TO MAi<E-tHAT 
SOmB P05SlSLii 



PROFESSOR eeCQUEREL PLACED THE URANIUM 
IN A DBAvVen COntaimMG SO■^AE PHOTOSRAPKiC 

Plates and a metal k£y,a coincidsnce of 

VAST IMPDE^-ANCEi 



SOME TIME LATER . 




THia IS 5TRANGe [ 
THE PW0T03tlAPHiC 

Plates seem to have 

BEEN FOGGED BYtlSHTi 
HOW CAN THAT BE? 




F THIS 15 TRUE, THEN 
URAMIUM iS PROBABLV' 
RADlOACriVEl ITAAUST 
GIVE OFF SOME 
MYSTERIOUS RaVSI 




FURTHeR 
EXPERIMENTS 
PROVED THAT 
PROPESSOa 
BECOJEREL' 
VA5 COPtREal 
iAT£R>i;00, 

IT WAS 
DlSCOVEflEO 
THAT 
URANIUTA 
GIVES OFP 
EN5RSV 
CIN FHE FOftM 
OF RAYS) 
BECAUSE 
Its ATaVNS 

ARE 
ACTUALLY 
DiSlNTEGSATlNSi 



THEN, IN A905.PROPES50R 
ALBSPT E1N5TEIN EVOLVED KiS 

^mOuS EQuaton! 




MV THEOCIV (5 THAT MATTER AND ' • 
EfsjeRSY ARE lNTEflCHANG£A5i.E 1 
IN OTHER N\OP.D5, ONE CAN BE 
TURNED INTO THE OTHER 1 




f IF PPOFES50n EiNSTEIN 15 
. aiSHT,THENTHc ANNIHl'^TiON 
OFASMAiL (5ARTICLE OF 
MATTER ^VOULD PRODUCE 
A TReMGNDOOS AMOUNT 
OP ENERGY 1 



Ves! AFTER ALL, THS 
VELOCITY OF LIGHT 15 

186.000 MILES PER 
5EC0ND, AND WHEN 
YOU SQUARE TfHAT VOU 
SET AN EVEN GREATER 
PGUaEl 




THIS EQuAT.ON PflOVESTK^r 

HE EN^ERSv PflOviDED BY 
A CERTAIN AMOUNT OF 
AAATTER 15 EQUAL TO TH£A'U55 
iNSOLVED,AAULTlPLlED BY THE 
SQUARE OF THE VELOCITY 
OF LIGHT 1 





WHAT SCMEBODV WILL 
HAVE TO DO 15 BUILD A 
AAACHINE THAT'S 
CAPABLE OF SMASHING 
ATOVlSi AND THAT'S A 
A^AN- SIZE JOB 





IN ri^E AN.'D I'^iQ'S , G^EAt ADVANCES IN 

SuiLOiNS Such machines were made sv SuCh 

/V^EN AS DR. Q.e. lAVw-RSNCe - BUiLDECi OF THE 
CYCLOTROM ! 




WHAT 16 THE 
BASIC IDEA 

OF THl5 

CVClOTRON? 



lT-5 JU6T fHl5 - 70 Pur ^ 
PAftTiClES OF MArreft IN THE 
'GUN" PART OF TM£ CYCi.OrRON 
AND \X''hiRl them abound 
PAST S^CUSH. THAT V/HEN V^E 
SHOOT THEIR ATOMS OUT AT 
OTHER AT0M5,WEiLBE ABLE 70 
5MA5H THOSE OTHra AfOMSl 






THE CIRCLE OF MARBLES 
REPRESENTS THE ELECTRONS 
WHICH CIRCLE AROUND THE 
NUCLEUS OFTHEATCW\^ THE 
CLUSTER A^ARBLE6 IN THE 
CENTER REPRE5EMT TH& 
NUCLEUS/ VHICH 1 5 MADE 

UP OP Particles called 



PROraSi^ AND NEUTRONS 





THIS SIMPLE GAME DEMONSTRATES ACTUALLY, IN ATOM EXPLODING URANIUM ATCW15 ARE 

THS BASIC PRINCIPLE OFAAACHWES SA'\A5HiN[S MACHINES, LIKE A 5TRINS OP FiRSCQACKSRS 

UXE THE CVClOTRON WHICH IT TAKES AA^ILLtON OF TED TOSETHER WITH LOnS FUSES. 

ARg D£*GnSO to Smash ATa\^5! THE NEUTRON 'BULLErS" AFTER THE FIRST ONE EXPLODES, IT 





PLANrS VESE B'JilT IM rSNNcSSEE^ 
WASHINGTON,, AND NEW MEXICO CARRY 
O'JT THIS 5ECRer ^0^'<. 



WITH JWE OLfTBREA'^ OF THE WAG, LED BY 
5UCH MEN AS DP. VANNEVAQ Bu6H CASOVE) 
ALLIED SCIENTISTS fPSD UP THE SCIENCE Oi= 
ATOM - Smashing l 




PINALLY ONE DAY IN MlD-1945, THE RQST 
BOMB VA5 AtrACHED fO A STEEL TOWER 
THE GREAr D=SEP,T WASTES OP NEW ME^^CO- 



IT WON'T BE lOnG 

nOvI if our 

aOMS WORKS, IT'5 
THE BE31NN1NJG 
OP THE END 
OP JAPAN j 



AND WHEN THAT 
BOMB EXPUDDES.I'M 
GOING TO BE AT lEaST 
TEN MILES AVvAV 
PROM HERE - AND SO 
HAD EVERYBODY 

slse better be I 



BY NOW, EVERYONE KNOWS OF THE 
TREMENDOUS EXPLOSION THAT OCCURRED 
THAT DAY -A PRELUDE TO THE DROPPlNS 
OP THE PiRSr ATDA^IC BOMB ON JARAN ! 




UNTOLD WONDER5 LIE AHEAD IN THE WORl^ 
OF ATOMIC ENERGY 1 WHEN THE ATOMlC/*^ 
ENERGY IN A SiNGuE GLASS OF WATER ; 
CAN BE HARNESSED A5 WAS THE ATOMIC* 
ENERGY IN URANiUM, IT WILL BE POSSiBLS TQ 
PROPEL A SHIP AROUND THE WORlO SY ■v 
SAAASHiNG THE ATOMS IN TKAf ONE SUASft' I 
OP WATER 1 





AuGuST5. "^^-i - ^ 

TH,£ RiJNWAV AT AN 
AIR BA6£ IN THc 
PKClFiC 






5HE 60E5i 


\ SETTER 


CROSS 


1 CR055 


VOUB. 


/ TMEiR 


. PNSEC56.'y 


















tMEN, HISh OVeR 
MIR05H1/W4 THE PIRST 
ATOMIC BOMB DESCENDS 
av DARAGHUTH! 




BOY5, LET'S' SET OUT OP 
MERE PA5T ! EVEN AJiruDE 
■WON'T SAVE U5 FROM THE 

Blast unless ^vE'Re 
MILES AWAY BEFORE 
THE SPECIAL TIMER ON 
THAT BOMB CUTS L005E , 



I SEVERAL MfNUTES LA TEF^ 

THERE 5HE GOES! 
lCOK at THAT TOVER 
SMOKE IT5ENTUD! IT'S 
AT LEAST 4-0,000 FEB 
WISH 




THUS,TWS 
ATOMIC BOV\S' 
SUPREA'Se . 

ACHIEVEMENT" 
OF= MODERN 
SCIENCE - 
5CON BROUSHf 
ABOUT THE 
SURRENDER 
OP JAPAN 
AND THE END 
OF THE S'-OeAJ. 

CONFLICT! 
IN THE HANDS 

OF THE 
PEACE-lOVINS 

fnations of 
THE Earth, 

ATCmiC 
ENECIGV WILL 
HELP BUILD A 
NEV VORLO 
FAR A^ORE 
VONDSRFUl 
than MANJ 

EVEK 
DR£A/V\ED A 
FEW BRIEF 
YEARS-ASOJ 



Twi0£ SERPJV ^WAPgD vMCaOBE# CAN 
SOA\B HOW BB BPOUGHT UNDSQ CONTROl 
IP I CAN PIND THE PlSHf REASON VHV 
THEV MUT1PLV50 RAPIDLY! DERMAP5 MEAT 
OR OXYGEN WILL HAVE TO BE CHANiGED 
TO DO THE JOB! 



IP I CAN AUTgEA MICROBE ,DULl 1^5 RANQ^ 

to 5PSAK- IfS POSSigtE TO MAKE 
HARMLe^S 5155IES OUT THESE 
DEADLY KILLERS 1 I'LL MAVE A LOOIC AT 
y THl5 UNDER THE M1CP05C0PE 






DARN \J\ TH!5 HAS HAPPENED BEFOPH' 
A PIECE OP MOLD HA6 BLOWN IN 
THE WiNDOV AND SETTLED ON 
AAY CULTURE OP BACTERIA [ ir3 
RUINED NOW FOR EXPERiMENTAt 




BUT AS ALEXANDER PLEMINS LOOKED 
CLOSER AT THE DISH 1 



VAIT A MINUTE 1 THAT MOLD I& , ^ 
KILLING TH05E GERM5! RlDLEVi . 
CRADDOOCt COME (N HERE AT ^ 
once! T think VE HAVE THE 
INNING OP SOMETHINSj 



THE Rings om the plate shov what 

ALEXANDER FLEMING SAW-- THE 
MYSTERIOUS MOLD )5 D1650LVINt5 THB 
MAN-KILUNG 6ERMS! 





HEQE SNAg THE DPAMAnC gEGlNNIN^ 
0~ THE D!6COVEP,Y Oe PtNCHUNI 



BOON FLSMIN© , QiDLEY AND CRADDOC< 
*N'EE!E HARD AT -WORK '^■ITHTHB MOLD! 




f^VE BEEN CAREFULLV GROVING THE 
MOLD IN TMAr JAR! LET'f' DQAV OFF 
SOME OF rWE BROTH THE MOLD i5 GROVilSJG 
ON BECAUSE IF THE MOLD 15 SECRETINS 
50ME AAiCROBE KILLING JUICE \VclL FIND If 
IN THE BROTHi 



AFTER WE FILTER OPp: SCME QP THIS 
SnOTH, WE'LL TQV DRODDiNS (f ONTO 
A SLA65 5LIDE VlTH PLENTY OF 
MCROBE5 ON IT AND 5EE WHAT 
HAPPENS 1 1 




VE5] 'IT'5 
jQEarROVING 
THOSE BACTERA 

UKE A^ASiCl 



THAT 5ETTLE5 ill I'M SENDING A SAMRlg 
OF THIS MOLD TO DR- ChAPlES THOM 
AT THE U-5. DEPAQXS\ENT OF AGSlCUTUl^! 
IN WASHINGTON 1 IF ANVONS CAN 
IDENTIFY THIS MOLD FOP f^E, HE CAN! 



5MCQTLV AFrEeVABD.DB•THO^^ DECEIVED 
A SAMPLE OP tWE AAOLD IN THE U-^-A- 



TH05E eNSLlSH'PELLOVS ARE ON THE 
RISWT TRACKB ALL RIGHT! THIS AAOLD 15 
PHNiCiaift^'iBUT NOT P.RUBRUM' 




ACTUALLY FHlg !£j E'- NO^ATUAA- 
ALTHOUaHPLEAAiNS 15 
PERPEOLY WirHIN Mia PISHT5 
J NAMING H\6 MOlO 




MEANTIME^VARlOU5 SCIENTISTS HERE 

AND IN ENGLAND CARRIED ON THBP. 
gXPEniA.\ENT5 WITH THE NEW DRUG 



AS THE YEARS WENT BV^'MORE AND 
MORE VsA5 LEARNED ABOUr PENICILLIN 
BY STUDYING ITS EFFECTS ANIAAALS 
INOCULATED WITH VAR10U5 GSRAA5i! 



THgSE MICE ARE 

AU FULL OF 
PNEU^^ONlA GERAAS 
BUT AN INOCULATION 

OF OENCILUN 
5HOUID KILL THOSE 
G^RMS, JUST AS IT 
DID BEFORE! 




&Y I9^1^5A\ALL AAAOUNTS OF PENICILLIN 
\VHRE AVAILABLE FOR WOUNDED ALLIED 
SOLDIERS - BUT ONLY ENOUGH FOQ 

EXPERIMENTAL PURPOSES! 




THEN, IN ENGLAND/ DP. HOVARD FLORSM 
AND NORMAN HEATLY PClEPa^^E TO 
LEAVE FOR AAAERlCA l 



THE ONLY HOPE FOR 
LARGE SCALE 
PRODUCTION OF 
PENICILLIN LIES IN THE 
POWER OF AMERICA^ 
GQBAJ INDUSTRIES 



riSht! and the ' 
SOONER WE 3£T 
THERE TO SEE 
WHAT WE CAN DO 
O PRa^\OTE IT, THE 
MORE OUR SOLDIERS 
LIVES WILL BE spared! 




rwi TVO BRITISH SCIENriSTS CALLED ON 
THOM IN SVASHINGrONj 



DO.. THOMAVE THINK THIS PENICILLIN 
PROJECT 5HOULD BE PU5HEp A6 FA6T A5 
POSSIBLE.' HOV/ CAN V/E GO ABOUT DOiNS 'T 



ISUSGESr VOU 50 TO THE 
AGRICULTURAL DEPAQJMENT'5 
RESEARCH LABORATOnV 
IN PEOR1A.ILLINO151 THEY 
^HAVE EVeaVTHlNS vou'u 
NEED! 




OUT THERE THSV HAVE THE BB€>T 
MICROBES IN THE \»^DRiD! AND 
51NCE AAANV AMERICAN DPUjJ© 
HOU5E5 ARE ALREADVsJ , 
INTERESTED IN DENICILLIKTT - 
PERHAPS VOU CAN INTEREST 
THEM IN THE PROBLEM CF 
MA35 PRODUCING THE , ^ 
5rUf=F! AT ANY RATE, SO ^ 
TO PEORIA AMD 
^OQ< ON IT I 




LATER IN DEORIA THE MEN TALKED TO 
DR. ROBERT D- GOGHILL 



BEPORE uOniG/ ORDSR5 HAD GONE OUT TO 
OUP AIR FORCES ALL OVER THE \^onLD... 



ve5! penicillin mold 
'must be fed on a 
better diet to produce 
'more penicillin and a 

SETTER 5TRAtN OF 
PLEMING5 MOLD 
^HOUD BE FOUND.' 



HEV.APE VOU NUT5? WHAT 
ARE MDU DOING/ PUTTING 
CHINESE DiRT IN A BOTTLE? 



J SOME GUVS 
BAC^ IN TUB 
^BTAJ^e \i/ANT 
TO EXA;MINE 

THE auss 

IN IT 




ttA4ifi SA^^eLES OP 50IL PQOM Ovea 

TMS SAQTH .SVEae BEINS eXAMiNEO 




HAAl iNTEdESriNS MOLD 

THIS ONiEi THINIi 
lU PUT IT UNDER THE 
.MlCn05C0PE INSTEAD 



BUT V^MILE SAAAPIE5 OP DOT PHOV, 
oven WE EAQTH SHOWED NOTHING 
EXCITING, ONE OF TW£ TWO BS5T 5TRAINa 
OP PeNlClLUN >VA& DEVELOPED PKOA 
rf-f£ CANTAS-OUOEl 




THSSS NEV 5TnAN5 OF PENK^IU-IN APE 
THE ANSWERS TO OUQ DQAVERe)! ONE 
OP THEM WILL GOOW SUBMERGED 
INSTEAD OP ON^V ON THE TOP OP THE 
SnOTHl THAT iVAEANS IT CANJ BE MADE 
!N LARGE TAN<6 OR VAT6i 





DEED INTEREST! 




500N GIANT 'PUANTS W'ERE TUPNlNG OUT 
TMg AAiHACLE DQue! OvBa naO.OQCOOO 
HAB ©EiN aPENT ro BUILD PLANTS UKE 



THAT'S aiSHTl BUT ITS AAANUSAOVQE IN 

LARGE Quantities is 50 impobtamt TO 

5AVIN© TME LIVES OF SOlDIEP^ AND 
CIVILIANS THAT OUR COMOanV i5 REAOV 




MODERN PLANTS PRODUCING PENICILLIN 
AQE MORE 5ANITARV THAN ANVQCB^'nNS 
ROOAa! AmCROBE-OESTRCMNG ULTRA- 
VIOLET LAMPS HELP IN THIS ESSENTIAL 
\X/ORt<,A6 PICTURED BELOW IN A PENCHUN 
BOiTLiNS room!. 




By. Joseph 



SOME of the things— indeed, many of the 
things! — scientists are doing these days 
(to say nothing of their accomplishments 
in the past) may seem like nothing short of 
magic to some folks. But the plain truth of the 
matter is, there nothing "magical"-about them, 
speaking in the true sense of the word 

With very few exceptions, all the things' 
that science has done for mankind as far back ,' 
as we have records, have been done by men 
who deliberately set oat to accomplish some ^„ 
definite purpose and in so doing have almost ' 
alw ays arrived at this purpose simply through 
following through. with what we m^ht term 
"reasoning" or "logic." 

But there is nothing "unusual about these 
thought processes that we all don't go through 
in our minds every single day of the year. To 
"illustrate this pointy let's take a very simple 
example. 

Suppose your mother comes into the kitchen 
and notices that the cupboard door is wide 
open. Then she sees that the cookie jar is half 
empty. Furthermore, there is the mark of a 
slightly dirty hand left on the edge of the open 
door. WTiaris Ker immediate conclusion.-' 

"Somebody has opened that door, taken 
some cookies, and left!" she says. But, w-hy 
does she say this? Because, to begin with, 
there are certain fundamental facts that she"^ 
.knows already to be indisputable. 

First of all, her mind reasons that cupboard 
doors do not open by themselves. Secondly, 
she knows that — only a few minutes ago — the 
cookie jar was filled and now it isn't. Thirdly, 
rhere is that tell-tale hand mark left on the 
door. The obvious conclusion, then, is that 
someone opened the door, took out the 
cooiues, left an imprint of a hand on the door 
and~-since onbody is now within her sight in 
pit kitchen— Ebey must aecessarily have ^ona 



Somebody might ask here, "But maybe- the 
wind -from the open door blew the cupboard 
door open^^ftnildn't that be?-' And you would 
say:, "■^'es, it migKt^-be! But the wind didn'^^ 
take the cookies from.the^j^'!':^^,^-::;. 

•The next question might follow: "Bur 
couldn't somethmg else besides a human bemg 
have taken the cookies?" 

And the answer, scientifically but not too 
probably might be: "Yes. Something else may 
have removed the cookies, because I didn't 
.actually'^ see them being removed! However, 
a it were, for example, a monkey which re- 
moved the cookies, why is the imprint of i 
human hand on the door? In all our previous 
experiences, we have found that monkeys do 
not leave human prints!" 



SO YOU come to the conclusion, if you 
are a mother in search of some missing 
cookies, that someone— a human!— stole the 
cookies- Now, this is what scientists call: 
"formmg a hypothesis." In other words, we 
have a chain of fairly evident facts upon which 
to base cur case, 

Suppose, further, that there- is a youngster 
in -the. house and that he or she has been 
known to "lift" a few cookies before. If, in 
tracking down the little culprit, he is discov- 
ered in the act of munching on some cookies-, 
the logical thing to conclude is that you have 
arrived at the solution to the problem. 

Now let's look at Sir Isaac Newton, who 
watched an apple fall and thereby formed his 
"theory of gravity." His mind went through, 
much the same basic chain of events that the 
harassed mother's went through. ..He reasoned 
that since the apple fell down — and not up! 
— and that since in all man's experiences all 
the apples in the world have tlwgys fallen 
down and not i^.then theie muse be some* 




ntists! 



Blair 



thing that , causes tliis to happen regularly. 
This mysterious force he called gravity and 
formed his .since proven theory that "every- 
,i^«,jhing"thar goes up must come down"! 

Of course, a scientist setting out to prove 
that there are sun-spots' on the sun cailsed by 
certain whorls of molten metals that are being 
drawn back into the sun, cannot start his cliain 
of evidence just by assuming that this is so. He 
must start with a basic hypothesis that these 
whirlpools on the sun are really whirlpools 
■ and that they are really formed of molten 
metals. 

Unless other men before him — or' he him- 
self — have proved that this is so, he had better 
start with some other hypothesis about the sun 
that is even more basic than this. 

However, Samuel Pierpont 'Langley, the 
great American scientist who died in 1906, did 
arriv^ at such a conclusion about the spots on 
the sun. And it was not until years later that 
another scientist . with a modern m.achine 
(George Ellery Hale and his invention of the 
spectrohehograph) proved conclusively that 
Langley had been absolutely right! But note 
that there is i difference between coming to 3 
conclusion (as Langley did) and of obtaining 
definite proof such as Hale's. 
'. ■ '- - ■ ' 

NEVERTHELESS, the thought processes of 
these men were very similar . to. the 
thought processes we outlined in the recovery 
^ of the missing cookies. The only difference 
f'-' being ' in the intrlcateness of solving such 
problems as the mysterious sun spots as 
, against the mysterious missing cookies. 

Speaking of Sir Isaac Newton and his fall- 
ing apple, as we were a moment ago, might 
afford us another simple example of the paral- 
lel between the thought processes of the great 
men of science and those thought chains wc 
ftU muM uic io evexy-day Uf& 



Suppose you saw an apple drop, picked it 
up and took a bite from it. A moment later 
you toss away the apple in disgust because 
you found that it was very sour and unpleas- 
ant to the taste. 

Now. sometime later, you happened to pick 
up another apple at the grocers and you no- 
ticed' that It looked very much like the apple 
you saw fall from the tree. This one is, let us 
say, hard and green to the touch and the sight. 
Then you bite into this second apple and dis- v 
cover that it is also very sour to the taste. 

The third time you see a hard, green apple, - 
your mind will say: "\ don't have to bite tills 
one! I know it's sour before I taste it!" You 
are now basing your conclusion on previous 
evidence that has proved infallible before. In 
short, you have arrived at a simple, scientific 
conclusion. Naturally, if you had the time and 
the inclination, you might sample thousands 
of hard, green apples from North Dakota to 
Normandy, and if you found that— invariably 
— alPhard, green apples were sour, it wouldn't 
be necessary to question that point again. You 
have proved that this is so, sciehtificaliy! 

Perhaps, years later, when you had broken 
down the hard, green apples in your labora- 
tory and found them to be composed of cer- 
tain elements in proportions not found m 
other apples, you would have advanced a step. , 
farther in your scientiBc knowledge of hard, 
green apples — and you would be known as 
a world authority on them. 

Certainly^ these simple examples are not as 
complex as, for example, measuring the heat 
of the sun to one miUionth of one degree, but 
they follow along the same logical, scientific 
steps. 

Thus we see that each and everyone of us 
uses the methods of science in our every-day 
lives. We are jIL uuly, scientists! 






CAftBON DIOXIDE G*S tCO^l - THE SAfAE SAS THAT PUTS THE PI22"0Pl 
SPARKLE tN SOPT DaiNKS - IS THE SAME SA5 THAT SWCHECIS P1RE5 
50 EFFECTIVELV IN AlQPLANES^ SHIPS, FACTORIES, ETC - THE POlLOVlNG 
STORY OF COs. IS BASED ON MATERIAL FURNISHED SCIENCE COMICS 
BV \^ALTEf5 KIDDE* CO.,INC.- ONE OF THE VOC5LD'5 LARGEST 
PRODUCERS 0PTHI5 VALUABLE AID TO FlREFI6HTiN(5. 



FIRE 15 THE RESULT OP THREE 
ELEMENTS: FUEL, HEAT ANJD 
OXYGEN. A CANDLE BURMS 

BECAUSE A MATCH SUPPLIES 
THE HEAT, THE CANDLE WAX 
SUPPUE5 THE FUEL, AND THE 

0XY6EN 15 EVERYWHERE . 




PRE CAN BE EXTINSUISHED BY 
REMOVING ANY ONE OR MORE 
OF THESE THREE ELEMENTS, BUT 
THE SIMPLEST SVAV l6 TO REMOVE 
THE SOURCE OF OXYGEN- YOU 
CAN DEMONSTRATE THlS 6V 
PLACING A TUMBLER OVER THE 
BURMING CANDLE-- WHEN THE 
OXYGEN IN THE TU^ER HAS 
BEEN C0M5UMED,THE CANDLE 
FLAME, GOES OUTi 




CARBON .DlOK(DE IN METAL 
CYLINDERS WOnitS ON FIRS IN 
THE SAME Nis/AV. THE COj , 
WHICH l5 UNDER PRESSURSy 
EXRAND5 450 TIMES WHEN 
RELEASED AND iT LITERALLY 
■'BLANKETS" FIRE BY DlSPLAQNe 
THE OXYGEN IN THE AlR! 




SNCE fNi DAYS OS SAipNiJ vigSii^a. 
SAILORS W&VE DP-E.ADiD THE CR.Y OS- 
'PiCigl"MOR£ THAN ANYTMINS ElS^ AT 
SEA. HERE l5 MOV THE NESV^.ACCuaATE 
COi MErHOD OP Pl«E DETECTION AND 
SXTINCTION PROTECTS OUR MODERN 
UNEB.6, SUCH AS THE S.S- AMERICA 
AND THE QUEEN MAP.V. 



Pipe VHlCH LEO i^^^fHS H©UO- 



N 




THIS l5 kiNOWN AS THE RlCH-AUOlO 
CASiNETl (T NOT OnlV shows 
Sa\0<^ PftOM C0MPASTMENT6 

ALL ovea ou« ship, but csinss an 

ALARM SELL AS WELL WHEN 




I see! VHEN 
SWOKE FRO-W 
ANY OF THE 
COMRARTMENTS 
16 DRAWM UB 
THQOUSH THi 
CONNECTING 
TUBES, IT PASSES 
THHOUSH THIS 
CABINET 1 



BiGwr! AND A 
PHOTOELECTWC 
CELL IN THE 
CABINET SET5 
OPF THE ALARA^ 
AS WELL, WHEN 
BREAKS 
THE CIRCUIT I 
MERE, I'll 
5H0W VOU A 
DIAGRAM OP 

HOW IT woa;<s 



V 



*yA4£N THE CA&NBT Bie<S UB 
THE Li AST TRACE ^mCXI , 

THi Alarm qinsS, a red tAVip 
i6 LiQHTiD And the NUMBER 
OP THE HOLD iS INDICATED ON 
A DiAL ON THE FACE OP TH£ 
CABINET!". 



OvTUT INTO **V1«L- hlOW*S 
PfTICriON CHArk^HB 






ALSO SAVED THf 
LIVES OF HUN- 
DREDS OF AUIEB 
OF PILOTS THAT 
WERE PORCED 
DOWN AT SEA, 
FOR COT- IS 
THE Gta THftt 
INFL^TES'LIFE 
RAFTS THE 
DiSTINSUlSHED 
MEMBERS OF 
THE "SEA SQ 
SQUATTERS 
WILL 
ATTE6T. 



w©\v 

IN THE AIR 

ALTHOUSH 
PORTABLE 
CARBON 
DIOXIDE 
CYUNDEOS 
WAVE THElB 
PLACE, 
Twe HUGE 
TRANSPORTS 
we 5WAU AIL 
SE R1D1N& 
IN SOME CAY 
HAVE A 

Much moqe 
. elaborate, 

"eUlLT-INtQi! 
SXTINGUISHiNSi 
5V5rE^^ . I 
MERE 15 
WOW 
; IT WORliS, 




'^SUaE BE SLAD 
TO GST HOME I 
LONS HOP, 




SUDDENLY... THE 
TENSELY I 



PILOT LEANS PQRWABO 





!N A SPUT SECOND, THE CO-WLOT THROWS THE SVlTCM 
ON TH5 PIEIE CONTROL PANEL TO OELEASE THE 5hi 
Pl«e EXTIMGUt&HlNJG 5VSTEMI 





THE DIAGRAM SHO^S TVPlCAL LAYOUT OP A FOUH ALTHOUSH ONE MOfOR HA5 BEEN TEMPOSAfllLV 
ENJGNE AlSPlAME FiRE EXTlNSUiSHINS 5V5TEM. KNOCKED OUT BECAUSE OF THE CRACKED Oil 

COLORED RED LINES INDICATE TUBINS LEADING LINE, THE PLANE'S OTHECl ENGINES EASlLV 
FROM THE COa CVL1NDER6 TO THE ENSlNES- BRING THE BlG SHIP 5AFELV HOAAB -PREE 

FAQM THE HAZARDS OF FlRE THANKS TO 
THE "soda pop" GAS AND THE /MODEaN 
AIRPLANE ^WARNING 5V5TEM1 




'i^HUS THE GAS TH*kT PUTS THE "POP" IN fiCXJA 
P0P)5 DAILY PROTECTING LIVES FRON\ FIRE 
OW LAND. IN THE WR AND ON THE SEA* SOON. 
AUTO^^A.TlC eXTINGU'SHiNG SYSTEMS OF COv 
WILL ALSO BE INSTALLED AS REGULAR 
EeUiPWENT IN ORDINARY PASSgNSSR CARS.' 







^fffCicy iN 1738, SWISS saeNr/sr PAM£L 
TANOUIU WAS STROLLING.... 



HMM,,,NOW THAT'S ODD/ WHV SHOULD THAT 
BO)f BE PULLED WTO THE CUEBEWT WHECE IT FIOWS 

BE- 



GAN IT SE THAT SWIFTLV PLOWING 
WATER HAS LESS PPBSSUCE TO IT THAW 
THE SAME AMOUNT OF WATK THAT 
MOVES SLOWER? I WONDEI?, , , , 





^THS SAMS PfSINCIPLS HSID TffUe HSfSSf 



IF THIS IS SO OF GAS, THEN IT MUST ALSO 
BE TRUE OF TH& AIR WE BREATHE^, FOC AIR ISy 
SIMPLY MADE.UP OF SEVECAi- C5ASFS/ ^ 



]mNOULU £)(PBRlMeNTEO AND FOUND H£ mS 
PiGHTf THE ABOVE P/AGR AM /LLUST- 
RAreS WHAT HAS BECOME KNOWN AS 
BERNOULLI'S PRINJCIPLE: Th'^ VBLOOTY 
CSPe£D)OF WATF/S. IS LOyV^ff AT POINT ^ 
BUT THE PPESSUPE /S GREATBfS . AT PO/NT 
yi-WHEPE THB "BOTTLENeC<'' CAUSES 
7HB VELOC/TV TO INCREASE , THB PffBS- 
SUl^e Of= THE WATER DECREASES f f ' 




fiffiP^r fECT/CW OF W/NG ABOVE SHOWS 
HOW D/PBCT/ON OF AIR /S CHAf^GBP 

gycupyBp F^^p^/rCiEADiNG^ edge oe 

lyWG. BERf^OUlU EXPE/S/ME/^rEO W/TH 
THESE W///GS //V 17^9 AND AN BNG- 

FRANCIS WENHAM SUC- 
CEEDED IN FLYING A aURYBD W/N<3 
MOOEL PLANE AS EARLV AS 1Q7I[ 




BOy/lHBSe NEW HIGH 
SPEED MOTOeS ARE 
REALLV POWER PUL 
BABIFS/ 



THE\^ HAVE TO BE,RAL/IF 
THEY DIDW'T GENERATE ENOUGH 
HORS'EPOVVEG. TO MAKB UP FOR. 
THEIR WEIGHT, THIS SHIP 
WOULDN'T FLY' 




/OU SEE, IT MAKES NO DIFFERENCE HOW LARGE A 
aANE IS AS LONG AS THE TOTAL AREA OF ITS WINGS 
ALONG WITH OTHER fACTORS,CAN SUPPLY ENOUGH LIFT 
TO tCEEP IT IN THE AIG , AND IF THE ENGINES SUPPLY 
ENOUGH POWER, RELATIVE TOTHE PLANES S)Ze,TO 
IT GOING.' _ 




I^ECAUfB OP rHI9 BASIC PRINaPLB,YilRPLAN£S 
FLVf THERE /S PPACnoaUY AO l/M/T 
TO THE SIZEPIANE THAT CAN BB BU/IT. SOf 
LONG AS THB MOTORS GENSRATB 
ENOUGH HORSEPGWEIR /A' R'El AT/ON TO 
THEIR WEIGHT fCmOMB-) THB NEWH{/GHES 
HB/?CL/IES''3E/N(S ea/LT. ITWfLL USB EIGHT 
^MSIfl/B&~, WBIGH 222 TONS ANC^ 





All the materials needed foe this 
" weather foreckstcr are a small 
amobfjt of a chemical called cobalt 
blue, a small piece of cloth and a 
little patience with needle and thread 





F voucan obtain a small Cloth Sack 

(iTBOUT the size Of THOSE IN WHICH TOBACCOS 
ARE SOMETIMES PACKEDJ VOU WON'T NEED 
TO SEW ONE TOGETHER. TAKE SUCH A BAG AND 
FILL IT WITH THE COBALT BLUE. 



FTER FILLING 
■HE BAG WITH THE 
CHEMICAL, SEW IT 
SECU£ELV SO THAT 
NONE OF THE CO- 
SALT WILL SPILLS 




"Ef you WANT TO DRESS UP YOUR WEATHER 
FORECASTER CUT OUT TH» FISURB P\&OVV fKU 0 

TIE THE BAG TO JT SO AS TO FORM AN 'APRON' 
FOR THE GIKl BY MCXlNTlNGi ON HEAVyCAEDBCW!D 
AND BENDlNa BACbSlDS FLAPS, YOu WIU HA^S 




HEN THE WEATHEft IS FAI!?, 

THE APRO^ WILL REMAIN 8LU^ 
HEN THE APRON TURNS VIOLET, 

A CHANGE THEN IS DUc. 
HtN ITBecOlviFS VERY ReO, 

EXPECT A STORM TO SR^Wj^l 





H£RE r A>M, ZO VE^RS OLD?, AND I 
hWENT DECIDED WHERE MY 
LIFE W'ORK 



m 





MOST INTEFlggriNS X^TICUE THIS FEUQW 
HElNRiCH H^RIZI TH£Se ELECTRICAL 
WAVES gE SENT IN THE FDRfA 

^^ES5AGES-1FI COULD Fl3uRE P\\^'M 
TO DO IT! 



fAARCONI HURRIED BAC^^ TO HIS FATHER'S 
ESTATE AND SET TO WORK... 



HEHTZ HAS ALREADY DEVELOPED A^^WAVE ^ 
Erv\lTrER' THAT M^V BE OF USE'. MY PROB- 
LEM IS TO INCREASE, DBVELOp AND 
CONTROL THESE ELECTRIC WAVES IN 
ORDER TO SEND Sl(3NALSi 



BY UNKING UP THE WAVE ElAlTTER WTH ^ 
AKJ INDUCTION Cau AND ^ REGULAR 
TELESRAPH KEY - AND SOrAE STORA&E 
BATTERIES TO GENEROT THE ELECTRICI 
I'/'t tAKi YET WORK THIS OUT.' 




TWO YEARS, MARCONI cXPERiMENTED ON 
His FATHERS ESTATE -AND THEN ONE DAY IN 
lS9fii HE SUCCEEDED IN SENDlNS OUT CRICKET* 
Lii^E SOUNDS WHICH HIS RECEIVER PICKED 
UP A ©JJARTEPl OP A MILE AWAY' THUS WAS 
BORN THS FIRST, CRUDE WIRELESS SiSTBm 




This SUV MRcoNi is s£ttin6 

EUROPE ON ITS EAR WITH 
|. HI& WIRELESS ."machine; 



OPFlCgS OP TH g N£h'> ORK HERALD... 

READING ABOUT \ 
HIM. SENT T 
SAjS-ES ACR055 THE 
EwaiiSH CHANNE^L, 
DIDN'T HE ? . 



THAT'5 RIGHT! At^DlVEGOf AN IDEA' THE - 
AMERICA CUPYACKT RACE IS SCHEDULiD 
TO TAKE PLACE OFF THE JERSEY COAST.' 
LET'S HIRE HIM TO TRANSMIT BULLETINS 
ON IT WlRELESSi THAT'S NEl'ER 
SEEN DONE BEFORE I 



ARRIVED IN NEW YORK |N TWE 
Op I y , , '^^J""*"^ 



I THANK VOU SEMTlE 
MEN POR INVITING ME 

TO T^^MSMiT These 

&ULUEnN5 OP THE RACE' 
it WLL HELP FROve Tk^ 
VAJ.UE OP WIRELESS' 



THAT'5 WHAT WE Fl£URtO' 
ANVTHINS VOU NEED IN 
THE WAV OP HELPISV0UR5 
FOR THE ASKING' 





^t!^^^^?'^^^^"^® 'S IN FINE WORKING 
TRANSMIT THE SULLEHNS 
v^?'^ '^^^ VACHT RACE AND 

VOytL PiCk THEM UP HERE! THERE CAN 
&E NO FAILURES ' incnc ^-^n 



THE DAVOFTHE RAfg... 
I UNDERSTAND ^ FELLOW BY THE WAME 
2L'>"1P^ FOREST IS ALSO WlRELfeS- 
^INS eULLETiNS FOR ANOTHER PaPEP 




MARCONI AND DE RDREST- BOTH SENDING OUT 
BULLETINS -PORGOT THEV WERE SOTH ON THE 
SAME WAVE LENGTH AND VAMWED" EACH OThER^ 
MESSAGES! SO THE FIRST USE OP WIRELESS IN 

^l^iP'^S 'f'^^ FLASHES WAS A PAlLURE-SuT NOT 
rOK UONG.' " 




&y MOST SHIPS WeRS Mf^KlNfe USf OF 

wiRiu^ss TO PREviNT Disaster ^T sbs. 



(■^ARCONI.r S=E- TH^ 
TITAKJIC HA6 STARTED HBR 
MWDEN VO>A&£ FROM 
EtlGLKND TO AMERICA.' 



WEUk, IN THf>Cr CASE, ^BOUt 
THE ONlV YOUR WiR^LSSS 

WILL Do ON HER IS TO SEND 
OUT &IRTHPM GREETINGS 
CR S0N\ETH1NG,' 








WHW HAPPENED ? ARE 
V;E SINKINSl 




WHILE IN The ft'iKELESS ROOM 0?=" 
THE R^PIDLV SINKING LUXURY 
LINER/'SPARkS" SENDS OUT THE 
URGENT LETTEF^S "CSLD-THE 
EARLY CALL LETTERS LATER 
CHKNSED TO ''SOS" 



SO(Ag ifD MiLiS AWAY THE 5 5. CASPKTHlA. CiCKED UP THg 
FRANTIC C'^L FROM THE TITKNIC 



TiTANiC StKUCK AN ICeSERS 
ftNplS SINKING.' HERE'S THg 
LOCATION! SBT IT TO THE 
CAPTAIN RIGHT ^WA'V ! 




SET THErA BELOW! MAKE THEM 
WARM AND comfortable; 
WE HAVEPLENTy OF ROOM 
.FOR ALL.' - ^ 




WHEN THE RESCUE SHlPARf^lVED 
. IN NEWVORK HARBOR... 



EVERYONE OF THOSE SURVIVORS 
WAS PICKED UP BECAUSE OF 
YOUR WIRELESS, MARCONI 



FDR THAT ALONE, I 
AM THANKFUL I 
WORKED IT OUT.' 




THUS MARCONI RECEIVED ONE OF 
THE GREATEST NATIONS OF 
HIS CAREER FROM THE GFW^TE- 
FUL SURVIVORS WHOSE LIVES 
WERE SP^RED BY THE MAGIC 

V/E OWE OUR LIFE TDYOCP 




Ra,D10 ENSlNEr^S ANO THE mER 



THI 



iNSTlTUT 
INSTITUT, 



OF 



SENTUer^EN, r WQULP LIK*i TO Uft^i 
YOU to TURN YOUR A1T£nTIi3n£ TO 
THE POSSISIUTIES Op-RADlO-SHO^t 
W^VEs, AND TO GET OUT OF THE 
BUND ALLEY YOU ARE FOLLOWING 
IN THE LONG WAVE SPECTRUM.' 




\J SHOULD &£ POSSIBLE TO RADIME A BE^M OF 
THESE RMS IN /^NV DIRECTION, WHICH RAVS, 
IF CO/MINS ^CROSS A METALLIC OKTECT SUCH AS 

ANOTHER STEAMER OR SHlR WOULD BE REFLECT- 
ED BACK TOA SCREEN ON THE SENDING SHIP- 
REVEAUNG THE PRESENCE OF THE OTHER SHIP 
EVEN IN FOG OR THICK WEATHER* 



iTHOUT USING THE WZO 
-/PAPAS'" WHICH WAS THEN 
NOT evSN IN OUR V0CA3- 
UL.AKV* MARCONI TH£ 
QENIU5 OC Wl^EuESS 
CLffARUY FOKeSAW iT S 
COMING frND THE USEFULNSSS 
TO NSANKISID SUCH A D^VEL0P= 
MENT WOULD BRING.' ALL 
THIS TWENTY YEARS 6EF"0RE 
THE ACTUAL DEVELOPfAgNT 
OF RADAR; 

NEXT ISSUE 
SCIENCE COMICS WILL 
PRESENT THE uP-TO-TmS 
/VUNUT& e>TORy OF RaD>hR! 



■ii'-iii/r,5u 





FLi^Seta: GATHERED F-ftOM THS BEPS OF^P 
WATe^, VIRGINIA, AKE GlVeW A 9PeClAL 
ULTRA-VlOCeTTReATMEMT TO 
9BCURe VITAMIN C FOR 

CHICKEN Feepi 



f^eOLTOF LIGHTNING WHiCh 
STRUCK A FACTORV CHlMME-V iN 
ANACONPA,/V\ONTANA, WAS MEAS 
UReP ON A QPeOAU MACHSNe 
(CALLEP THE FULCHRONOGRaPHI 
ANP FOUND TO BE" 15=000,000 
VOLTS OR OVER SO TIMBS THE 
POWER OF ALL THE- GENERATING 
STATIONS IN TH& US.a! 




^ USINa GEOPHONES ANP photo FLOW INSTRUMENTS TO 
C?eTBCT LEAKAGES IN ITS CiTV WATER gvSTEM, BOSTON l3 
NOW SAVING ASOuT H-,000,000 GALLONS OF WATER 

CAi^y That formerly wa9 wastep! 




CANAPA FOUR MILLION FISM ARE 
CAUGHT YEARLY- EVERY SIT OF EACH FISH 
IS UQEP IN ONE WAY OR ANOTHER - FOR 
EXAMPLE THE HEAPS ANPTAILSAREGROUNP 
INTO CATTLE FEEP,THE SKll^J OlUlSU^EP 
FOR PURIFICATION PURPOgES.ANP THE 
SCALES ARE SOlP TO 1/V\iTATiON PEARU 
mAKSRS-THfe P&QPLfe'&AT VVHAT'S lSPT! 




*'PACKA6BP COAC-THREE INCH 
CUBES A/\APE OF SMALL PARTICLES 
OF ANTHRACITE- ANP BITUMINOUS, 
HELP TOGETHeR BY AW OlU-BAS£ ' 
StNPER AiNP WRAPPED tN PAF^R- 
MAY ©DOM P© AV<AY WITH TMB OuP TlMe 



BOYS AND GiRLSf 
HSRS'S HOW I 

MOVIE CONTRACT 



"Ever since I can remember," says Roger 
Batton of Brownwood, Texas, "my ambition v 
was to be a movie star. Now, thaiiks to Judith Allen's book, 
HOW TO GET INTO THE MOVIES, I have signed a contract 
with Monogram Pictures for a swell part in the Charles Roger's 
production, SONG OF THE OPEN ROAD."/ " 



HERE IS THE CONTRACT 




WARNEK BROS. PlCTmS Inc. 
EMPLOYBtS' SJAnmNT 




.-.G Aim 



























1 


1 


1 








h I 




1 






• • 




Lj_ijliJ_l__Jij 



WHAT JtiB PAPERS SAY 

Roger Baffon Is In 
Florida For Filming 
f Hollywood Picture 

RoBfr Bitlon. isd of Mr. ind 
Mri. R. E. Ballon, 2207 Avenue 
D, ^ho Is now in Hollywood Uhdf 




ROGER'S 'THANK YOV TO:: 
JUDITH ^ 



to get into the 




WANTSPf Boys] and Girls for the Movies! 



There are plenty of opportuoities ii» 
Hollywood, but you must^know how to 
take advantage of them. 
Let Judith Allen, star of 52 pictures, 
teach you as she taught Roger Batton. 
Miss Allen, who has starred with Bing 
Crosby, Waller Pidgeon, Nelson Eddy, 
Gene Autry, Cecil B. DeMille, Shirley 
Temple, has written a book "How to 
|, Qet Into the Movies," In it she teaches you many of the things 
^6u must know and do to get started in Hollywood. She teaches 
you methods that have been used by herself and such stars its Jean 
^ Arthur, Veronica Lake, Lana Turner, Joan Crawford, Joe E. Brown, 
*lBtian Aherne, Elizabeth Frazer and many others. 
Send for Judith Allen's book today. It may land you a movie con- 
tract just as it did Roger Batton. SEND NO MONEY. Fill in 
coupon below and mail today to Judith Allen, 117 West 48th Sl, 
N. Y. 19, N. Y. Dept 85, When Postman delivers your book pay 
him $1 plus postage and C.O.D. charges. If you send cash with 



order, Judith Allen will pay all postage AND IN 
ADDITION, AUTOGRAPH YOUR COPY. Guar- 
antee: If not pleased, return book within 5 days and 
get your $1 back, . 

MAIL COUPON NOWmmmmm 
Miss Judith Alien 

117 W. 48lh St., N. Y..19, N. Y., Dept. 85 

Dear Miss Allen: Please send me your book, "How to Cet 
Into the Movies." I will pay the posonan Jl plus postage 
and C.O.D, charges. It is understood that if I aai noi sat- 
isfied I ma/ return the book within 5 days and get my 
money back. 

NAME 



I 
I 
I 
I 
I 
I 
I 
I 
I 



(please print) 



ADDRESS .... 

-CITY STATE 



□ Check here if you enclose fl to save all postage charges and 
have Judith Allen autograph your book. Same moDey-back 
guarantee applies, Canadian otilei! must be accompanied by cash 



H0WA97-Lb.WEAKUN6 



Became 



WORLD'S MOST PERFECTLY DEVELOPED MANfe/V 





I Can Make You A New Man, Too, 
In Only 15 Minutes A Day! 



If you're the way I USED to be— if you 
are akiony and feel only hall-alive — if the 
better jobs paaa you by — if yon're in tlie 
■ervice, but are being "pushed around" — 
if you're aihamed to strip for eporta or a 
■wim — and if you want a HE-MAN body 
— then give me just 15 minutes a day! 
ru PROVE you can have a build you'll be 
PROUD of! "Dynamic Teneion" will do it 
for vou, too! Tkat'a how I changed my own 
build Into Huch perfect proportions that 
famous sculptors and arttsta have paid me to 
pooe for them. My body won me the title, 
"World's Most Perfectly Developed Man." 
And now I can give you Holid, beautiful, 
USEFUL muscle wherever YOU want it! 

"DYNAMIC TINSION" Dtt«i Itl 

In only 16 mlnutea a day. "Di/ruimtc Ten-itan" 
ean bulee up your cheat, tiroaden your back, 
fill out your arms and legn. Before you know It, 
Ihln eaisy. NATUBAL method will make you a 



New Man! In fact. I GI'ARANTEE 
start .'ieelng results In the drat 7 dayal 

I Rive you no Kadgets or contraptions to lool 
with. You simply utlltie the IINDEVELOPEO 
muacle-power In your own God-Blven l>ody — - 
almost unconsciously every minute of the day 
■ — walKlng. bendlni( over. etc. — to BUILD 
MUSCLE and VITALITY. And It's n easy; 
my secret, "Ilynamie Tension." does the trlekl 

FRII lOOK 

TTiousands ot tellowH In every branob of the 
service as well a-S clvlllani have used my 
•'hi/TvimIc Tension" to change 
thcmaelveslntoreal HK-MKNl j ■' ' 
Head what tliey say — see how {' . 
they looked before and alter— VV'"?,"^ 
In my book — free. Tells all \' 
about "nt/namlc Tension," shows 
actual photOH of men I've turned \ 
from puny weaklings Into Atlas . 
Champions. And I can do tbe 
same for YOU. Mall the coupon 
noic.' Addresx me peraonallv 
CHARLE3 ATI.A8. Dept ^55A. 
1 15 East 23rd St.. New York 10, N. Y 




CHABLES ATLAS, Dept. zssa 
115 tost S3rd St.„ New Torit 10, N. T. 

I vant proof that your system ot "Dynamic 
Teniion" will help make a new man of me — give 
me a healthy, husky body and big muscular 
devriupment. Send me your free book. "Evet^ 
laating Health and Strength." 



Name... 

Addresa. 
City. 



(P1«ue pript or write plslnlr) 



. ijr>n» ■ ..State. 



'.J. 



□ Check here if under Ifi for Booklet A 



Bvy War Smingf Seitii and Sfamjn Beiularly.