Air Wonder Stories, May 1930 — page 86: what you’re looking at

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

a op ie. ra +a pe - = “7 all-round mechanic. “emergency, A SMALL but handy article which serves for every possible need of the Invaluable in any An excellent combination of utilities: for the household—every necessity featured: HAMMER — KNIFE-SHARPENER — NAIL- PULLER — HOTTLE-OPENER — SCREW- DRIVER — CORK-SCREW — CAN-OPENER- — WEIGH-SCALE — RULER — TABLE OF WEIGHTS AND MEASURES Just glance at the illustration and you will see how really useful this article is, The “Ten in-One Tool” is 10 inches high and finely nickel-plated. The new tool is not only handy in the household, but every TOURIST, AUTO- IST, CAMPER, PICKNICKER, BOY- SCOUT, FISHERMAN, CANOEIST, etc, should carry in his bag one of these in- ‘ pee combination tools, No SHOP, FICE, STORE, GARAGE, FARM, BOAT, should be without one. PRICE $1.00, POSTAGE PAID. Be the first one to’own the “Ten Tools in One” in your own town. Send-your order today, pin,a dollar bill to coupon below and the shipment will go forward to you the same day order is received, 245 Greenwich Street New York, N. Y. I Grenpark Company, ré.5 | | 245 Greenwich Street, | I ew ‘York, N. ¥. | Enclosed find $1.00 for which please send | re prepaid your “Ten Tools in One.” [Address cc..ecsecccnescessccsecceneccsseneneceonen | PeRamins cicssccatccegcastevinevitsav vs teistassetee i | | TOWM.s.seecreansrssenserseneres States..sssceree Radio’s Greatest Bargains OF THE SEASON Buy from Radio’s Oldest Mail Order, House Radio Specialty Co. 95E Park Place, New York. City 2 WONDER STORIES ~ WB, } pm ae High Carb. Opener : igh Carbon Bee Knife Sharpener Cork Screw Adjustable Screw Weigh Scale 15 Pounds 5" Inch Steel Rul \ "Weigh Scale \ Hook Mail Coupon Send for Yours TO-DAY OZENS of standard manu- factured sets. of recent models are illustrated in our lat-- est cut price catalog, and priced so low that you will be aston- ished. Sets @ This offer presented in will be good this catalog so long as are sold al- : most at 759% the radio below the list get cok ae price. Send | stock—act for the “Ras- quickly co~ Set Cata- for big radio log” NOW. bargains, IT IS FREE AVIATION NEWS (Continued from page1043) radiator, which is about 35% of the size of the water cir ion types, ia boilt in a tunnel beneath the fuselage’ At a given cruis- ing radius, a 10% saving’ in fuel can be ao- complished, . R-100 Claims Airship Speed Record HE British dirigible R100, has claimed. the world. speed record for airships, on the grounds it-achieved a speed $1,5 miles per hour om a twelve-hour test fight-in-a fog. he best recorded; speed of the Graf Zeppatin 1s said to be 80 miles per hour. According to Sir Charles Dennistoun-Burney, head of the company which biilt the airship, the huge attained: a speed of 1134 miles above the maximum apeedt specified in the contract, and thiy brings England Within sight of a cruising speed of 90 miles nee hour—which Sir Charles considera essetitial for Bcc commercial operation, It ia to be noted that the new speed record was attained when fully 600 H.P. was kept in reserve; and with this added propulsion, a speed of aver’ 85 miles seems quite possible at the present time, British Prevent Corrosion in Flying Boat REVOLUTIONARY advance in the con- A striction of British flying boats is now being mad¢ byte substitution of stainless steel plating. for “the firmer ‘duralumin sheet up to the water ling, and the effect-of this change ‘will be: that =the flying boats will now. be practically indestructible- by corrosion. They. will longer hull life than a ship, without the con- tinual repainting that marine vessels require. In the past duralumin sheet ‘has beer ured cx- clusively; as this alloy fs, Gage) Cas and “it hasbeen a-simple matter. to beat it into the required curves, Duralumin, however, is prone to sea water corrosion, and while great advances Baye heen peace ig. brolongin water life, flying -boat re have tried: tor many years to use stainless steel. Older stainless steela were not impervious to sea water, buat the present allo ae chromium stecl—is: quite what is Seek “Acoustic Altimeter” for Airplanes , EO P. DELASSO, who has worked out several devices: for usein aviation, is at work upon the sourte of a sound which will filter through noises aboard an airplane. ‘This will be used ina precision altimeter, which will Menanure height by the time it takes a sound to travel to the ground and echo back to the-air- plane. One-of the chief difficultics ia the multi- plicity of -sound- aboard an airplane, It -was necessary to find atone entirely different from any of-those In an -aireraft—which was done. Now- the task is to find the source of a—sound which will be of sufficient pitch and intensity to actuate’ the” recording device, An. “acoustic altimeter’ would-be of great value in aviation because it sould permit pilots caught in fogs over=unfamilar territory to know exactly how high ‘they were, Guides Dirigible While Sus- pended Below It XPERIMENTS -have been carried out on dirigibles at Wright- Field, Ohio, and Langley Field, Virginia, which show that the airships can be directed by an observer hanging far below the craft in a “‘sub-cloud observation car.” Use of the observation car permits the dirigible ‘to fly in or above the clouds, where it'ia-hidden from observers-on the ground, while the-observer inthe car, suspended~below the clouds by a-cable, directs the flight of the ship. The cable contains-a telephone core by means af which communication is maintained. Thia ar- rangement wilt be used in the future, if neoes- aary.for bombing expeditions, hut- mainly for assisting all types of, dirgibles to 1 ina fog. The rear end of the nacelle, which acts as an automatic. rudder, prevents the car from revolving as the ship moves, Transcontinental Plane Fare Greatly Reduced HE most drastic cut in. airtravel’ rates thus far has: heen announced —by the. Transcon- tinental Air Lines, which, in conjtmetion with the Pennsylvania and Santa Fé Railroads, noes ites a. forty-ei hour- service between New York and Los Angeles. This new rate is below the-usual extra-fare and Pullman rates on rail- roads; 30 that competition between the two methods of transportation has begun in deadly earnest. The cconomic results of the fare slas will demonstrate effectively whether or not the public is sir-minded,- It had been affirmed, before (Continued on page 1045) have a_ comicbookszcom) - eS eS eo