Air Wonder Stories, May 1930 — page 92: what you’re looking at

Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.

Chemistry is the BACKBONE of Every Industry The keystone of every Manufacturing business today. is its chemical lab- oratory. It is the chem- ists who hold the secrets of production—the.chem- ists. who are consulted whenever processes are to be improved or mis- . takes corrected. All the Roo Me Le, ltlle economies. of buy- Ph.D. ing. or manufacturing which serve to. multiply a company’s divi- dends originate with the chemist. You Can Do This Important Work Yourself With Our Training WE WILL ‘TEACH YOU CHEMISTRY fn a practical way. Dr. Sloane, noted chomical technologist, has A course #o simple that no preliminary edu- ion fa needed to learn it. You will receive Dr Slonne’a personal” tutoring Errongnoat your entiry perlod of tm! Every lewwon fa filled: with: intor- eating snaps cal experiments for you to work out at home with the dquipment: which we supply. By Hearing at te you do not have to. sacri ee Nis regular’ occupation: while are preparing for interesting profession which will increase your earning power many times, Scarcity of Chemists Opportunities for chomistes at this time are becoming qreater all tho time. Yet Chenilstry offem you the one profession - which ia till’ uncrowded. This is becutue chemical devolopment in the United States is extremely new, andthe country. bas not sat taly awakened to the need: for men who und Practical Chemistry. EXPERIMENTAL EQUIPMENT GIVEN TO EVERY STUDENT No- extm change a: made for the comprehensive cet of ‘apparatus and: chemicals which we send you, and it becomes ..your. permanent. property. Tuition Price Reduced Tho feo charged tor the entire course of training, {n+ oluding tho: Experimental Outfit, baa always’ been very moderato. Lately it baa. been reduced ‘substan- tally, owing to® the-{nereaye: fn our. student. body. Ty addition small monthly jenta are acceptable. and.a very liberal credit policy: enablea you: to-enroll no matter how ttle your present tnoome may be, a a a ee ee ee ee CHEMICAL INSTITUTE OF NEW YORK, INC. Homie: Extension. Division 5 16-18-A E. Soth Stroot, Now York, N.Y. Ploase. atnd me at once, without any’ obigation on part, your ¥rve Boak, ‘Op rtunttton "or Chola, and ful Sparricalare about the meermaencal Satiowene eve Oo ol wnt. 10 eae toll me abou! Ped and the roduetton in the tuition price, NAME sssstsctvesecsanevscscsezenccsevsscenavapscngen ADDRESS .,crescccseccescvonsnevassensesessavecnsesees + STATE, THE READER AIRS HIS VIEWS (Continued from page 1049) session of extremely valuable information which ignorance. without, ax the Negro preaches said, is so far _a_dark secret to the U;. S.. Depart. ment of Commerce, to the Aeronautical Chamber of Commerce of America, to the Jllustricrte Zeitung, and to various - and see aviation manvfacturers and officials; he really would stem better to: set. ws right with it thanto make sweeping assertions of~ general “showing wherein.” ft course there. are a great many important factors. entering into the queition of potential air defense or \pffense besides the mere statistica of planes and ypes of plancs; for instance’ upsto- datenens in quality of planes irrespective of numbers—for a few sugollyy superior planes can go siren gee great number of slightly in- terior ones like unto an cnagle throug a flock of hens, as I_had occasion to note during the big war—poasible volume of-production and‘ the -With which tt can be arrived at; regouroti of basically trained personnel, and all that. . But when such factors are analyzed I believe. they will be found~to lean “mostly -in our favor in this present year, I stick to my original state: meont—that had Mitchell's policiea received) re: cognition, -we-shotld right now-bhave been ott ions of dollars-spent for now: obsolete planes, which we would have traded for an unguessable nantity vel fete at Based instilled ‘into. the European min preparations .on~ our which. Batons wld tnterprét only as orlikere The said’ European nind~ has a curiously logical way of concluding that when any na- tion sets out for superiority-in a branch of arms, it must haye its eye on aomethi other definite. to be done with that branch. That is why ae which has Ban ke seized the aes rf supremacy, along wit! a contonant deveJopment of. other military branches, is now so general an object of sus- picion-and fear when not. actual—hatred. Tt appears to me to be a moral obligation incumbent upon those who are pushing aviation and profiting. or expecting to profit thereby, to use every sas to-see that it is not jnaed any more than necessary to further inter- national fear and hatred. VICTOR. ENDERSBY, 1104 Associated Realty: Bidg., Los Angeles, if, (it has been acknowlgced for many years that published statistics on military and naval strengths are not.entirely reliable guides. When we. study the comparative strengths ot the sir forces of the foremost nations, we face great difficulty in estimating relative armaments. For example: though Germany is technically limited in the size and number of’ the airplanes she may build, and the numerical strength of her armed forces, she may circumvent, these restric- tions by intensive and varied training of each military: unit, and by increasing the general efficiency: of each weapon, whether it he a battle mye oe Apcaicplane. that al! E 0 it is’ an open-secret that TOPS is, and: has heen arnunig for War since 1918, it is a mistake to believe that the United States is the cause of such preparations, Europe is an armed camp, but her enemies are within her own bordera. he geographical position and vast boundaries -of thin. country, allied with our gigantic mechanism for .production of arms or-nirplanes, make the possibilities of inter: continental warfare very remote, It-is true that in-time these geographical defetixes-will be-low- ered by modern air transportation, and here we ‘ee With. Mr. Endersby when be says that the air-fleet of today is obsolete tomorrow, Perhaps our readers would Jike to express their opinion ona matter ott which even experts disagree. Should thé Government follow. Col, Mitchell’s ndvice and build a large fleet of air- planes NOW, or-shotld it- concentrate on avi+ ation résearch work, with a view-to. enlarging its forces when~-neeessity -arrivet? Such an opinion from the reuders of this magazine will give a general crosmsectlon. of public opinion. ‘© reider the opinion more valuable, each reader should’ submit at least one reason, or argument for his choice, “All latters will ‘besindexed and recorded, and.the-reeults. published in the cartiest possible isstie,—-Editor.) ¥ Can Sound Waves Travel Over Light Rays Editor, SCIENCE WONDER STORIES: Well you got this letter: coming to you, as I’ve been reading your mngazines for years, and this is my first letter. (I noticed in your April-issuc you. wanted them short and ‘sna py). T have been_ reading. a- letter by » Morris * regarding’ placing telescopes end to end, and thus getting a beeen image, This comes close to an idea I: have, T-understand that sound waves can travel over light waves, therefore as sound waves can be amplified why. not light waves? : ‘elevision Is supposed to be improving rapid- ly, could they not direct rays from a telescope into. a television set and from the receiving (Continued on- page 1051) The Greatest Sin of all is total IGNOR- ANCE of the most important subject in the life of every man and woman—SEX, Away With False Modesty! Let'us face the facts of sex fearlessly and frankly, sincerely and. scientifically. ~Let us tear the veil of shame and mystery from sex and build the future of the race on a new knowledge of all the facts of sex as they are laid bare in plain, daring but wholesome words, and frank pictures in the huge new tibrary of Sex Knowledge. “MODERN EUGENICS” 2 SECRETS Pages nae Everything 2 pains ‘ man Hygiene in the h Married Wo: Li Talia tion? of SSeS pHEE Should Know— The sexual embrace Warning to young men How to hold.a husband How. ‘to have perfect light childr ¢ \ Accidents and emer- iS of grenter de- Dangerous diseases How- toraetaecye youth Secrets of sex attraction i Hygienic precautions ee Ce eel Anatomy and physi- i = ology ere pourrait sae The reproductive organs Why husbands tire of at every woman wives. c! is YZ * Education of the family Drosdtal Ciniaice She health and preven- Diseases of women tion Babies and birth control Girls— sleep—easy ¥, childbirth Don’t Marry How bales are con- before you know ceive 3 - Diseases of children all this— Family heaith guide The dangers of petting Chany sof ite bygiene poe fa be a a y children die youn; ; Inherited traits aud Me Honeionnan 3 diseases What liberties to allow What will you-tell your ‘owing girl? ic mystery of twins Hundreds of valuable a lover Secrets of the wedding night Beauty diets and baths remedies ri Do you know— : How to attract desir- able men Secrets How to manage, men ow to know ¢ for Men— loves you How to acquire bodily Mistakes of early mar- grace-and beauty Tinges How to beautiful face Secret of fascination hands, hair, tecthsand yey of perfect. mating feet iow to make women How to acquire charm love you How to dress attrac- Bringing up healthy tively children Intimate personal Fevers. and contagious hygien v 8 diseases How to pick a husband = IMPORTANT! 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