Evening Star Newspaper, June 3, 1923, Page 67

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MOTOR ROADS” THRV "ROCK CREEK AND ZOO/PA'RKS. Rock Creek Park, gemerally known as “The D t pleturesque boulevards in Ameri accompan: of apecial intereat. will kave no dificul The total acreage of Rocl CARE IN PURCHASE OF TUBING URGED Has Much Effect on Life of Av;r- age Automobile Tire. How do you buy an auto tube—as & merely necessary and somewhat incle dental accessory or as a part of the tire as vital as the casing? Upon the motorist’s answer to this question de- pends, in large part, the degree of his freedom from tire troubles. The car pwner courts trouble when he. buys tubes carelessly. The fact that tire costs are largely lc parties, we 'l. location of a dosen o-m-u- o this res 11 the mlwl atl & his way in and o Creer Fark i 1,653, !.ll:lu‘ll‘ Zoo Park, which is situated at ! dependent, upon tubes is frequently overlooked. 'Though the motorist has learned to shun “gyp" and “no name” tires by reason of bitter experiments along the road, a bargain price fré- quently causes him to buy an inferior tube. Cheap and unbranded }ubel will handicap any casing. Leaky tubes ruin millions of tires annualiy through underingation. _Or- dinarily the motorist blames his cas- ings for troubles for which his tubes are almost entirely résponsible. On the other hand, good tubea enable a tire to deliver the maximum mileage which the maker built into it. he best casing is at the mercy of a poor Wube. As the tube-represents a small sum in comparison to the coi of any standard casing, it is frequ 1y the part of economy to throw & inferiér or worn-out tubs Th o8e of the tube is to hold air eep on holding air. When ll fllll in this, it is worthless. Miller tire men believe that tubes have been an important factor in in- creasing the mileage of casings 115 Jor l'co-o»uullnmplnu“od government, it has heen co: those interested in outdoor sport Iife plenic groi the many places n, and each is well mnn. 50 that the southeramost end. per cent in the last few years. Tube Tubber is subjected to constant labo- ratory tests. Walls, for one thing, must stretch to nine times width and then return to normal. Today ail standard tubes are built of laminated construction. In other words, they are built layer on layer up to the proper ply. This construc- tion 1s made necessary by the fact that rubber ir its natural state is a wretched air container. Both chem- fcally and physically it leaks air. By using a mumber of layers of rubber, no_tiny flaws can go through. Some tubes, if punctured, dre easily mended. Some rip. The difference in tubes is worth the same careful at- tention from the motorist that he glves to the purchase of his casings. —_— Hardly any brown or wrange-color- ed flowers are of value for making scent. More than two miles of carpets are required for cabin floors of some of the big Atlantic liners. SUPERIOR Sedanette ONE OF THE MOST POPULAR MODELS FOR THE FAMILY WITH SMALL CHILDREN mwfliumwmhmmmaumum,n;mm. door while the car is in motion. !thu-llthesmpheqo(mhmh-mmhwdh“mhhnm glass windows may all be lowered easily and ‘quickly. The a carrier for camping or picnic supplies. Buy a Chevrolet am‘l Be Sttufiod Nodun( Compares With Chmlq Barry-Paté Motor Co Prices F. O.-B. Flint, Michigen. OPEN EVENINGS AND SUNDAY Luttrell trunk om the back serves as e PUWER llF lll]Ull] BACK OFRACECAR Miles Per Gallon Big Factor, Testing Cost of Energy in Motor Field. L4 It fs powerful liquid that drives racing ‘cars ‘so madly around edway, says Charles F. Kot ering of General Motors. - The fine atream of gasoline being fed to each of these throbbing ‘engines has stored up in it an amazsing amount of energy that ‘needs only the spark of the ignition cifcuit for its release. The amount of heat energy produced by burning a gallon of gasoline is equi- valent to the work done in raising the enormous welght of 93,350,000 pounds—46,765 tons or 1,000 carloads jof coal—a vertical distance of one % h 3 t to the \work' done In elevating a Chevolet touring car t miles vertically, or {i distance of 450 n slong a level road at twent; iles-per hour. It is interesting to think of gaso- line in terms o! "q'“n strength. We talk about th, strength of heat lr..ted luo h around 200,000 wund. per squ Tnohr . Now & Gailon. of wasoll out over a distance of d make a vll’Y. very fi In fact, I id inch wide. But th! HM llkl tllr.“ of llquid - contatus the, energy \re- Quired to propel a 1180 “Dound ‘car along a level paved yoad at twenty miles per hour. 8o .th enarf in tht: th line s equt of qver t strongest s pounds OF mMor '.h’in‘ 4,000,000 re inch. Return for Money. 5 Todey‘the American motdrist dri: into & convenlent filling station, and for less than 25 cents buys a gallén ‘'of thid Hquid that contains such an enormous amount of pent-up energy. But on the road he finds that his au- tomohllo spreads a ’-Ilnn of only fi azoline ‘tegn to “Th potential by ropelling it atpaiore ! 4 T8y, a very amall po ‘whioch is now sotually. luclM tll' pelling the automoblls reason_ that this thing has not n - done ‘is that. sevi ulties is'the troublesome ‘pinking'or knock In" the engine that intrudes itself’ on the consclousness of “the automobile driver when accelerating n-om llw speeds or whqn laboring on knock’| high duu um- or. no d-.rn-u' to_present automobile engi: Byt it 1s ;uuy a_ very serlous or, . b present fuels it becom Yiolent. at higher. englne compra slons—eo violent, in fact, that engines of very high compressions cannot be h | run at all on commercial motor gago FA 562 49 4 EXTRA NL * line. This iz unfortynate, because high . compre ine Klve- high f €co) LOS ANGELES CALIF 19 THE GARDNER MOTOR CO ING / ST LOUIS MO | GARDNER CAR WINS ITS CLASS ANNUAL LOS ANGELES CAMP CURRY YOSEMITE VALLEY ECONOMY RUN. -GASOLINE ONE PINT .0IL ITWO PINTS WATER. RANGES MAXIMUM ELEVATION SEVENTY IWO HUNDRED. FEET, THIS RUN also & very powerful an(!nt men who are spurrin (3 cars ar%und the spee v-y ncolmn this faét, and so the engin driving ha compres: n Tes: much hlr than :hou ot ordlnuy automobile engines. Looking to Future. 421t the, Amariosn sutomobil ustry is lookin; many datiwn( w8 W directions, Old National to Ohicago snd St. Louis. touring -date, MMW mileage, sont FPREE of 8-cent stamp 3e- ble to, nmfl 18 -u-u Patent ~Holder. :rm steering column of cars. Always in plain m of driver, Molds maps, directions, ronte llIt. oto., 'Ilh - Safety Msich Box attachmen -nm AUTDHAC cmu»m\v ;" P.0. B0z 1 Washizgtas, D NAY 19 1923 PN 11 47 THREE HUNDRED SIXTY MILES ON TWELVE A!D ONE HALY GALLONS CROSSES SEVERAL MOUNTAIN . WONDERFUL SHOWING AND DEMONSTRATES GARDNER ECONOMY AND PERFORMANCE.' Tho You;nib Valley Economy Run from Los Angeles to Camp Curry, California, is an annual event of mhonl.l note nnd interest. Every automobile maker in America MoGILL MOTOR CO. t part of which extends over the tmounhm:mCahfomn Wmmng this notable run in 1923 makes the second time the Gardner Four has class. strives to win this famous event.’ It is distinctly ‘a test of performance and economy.: landed this- much-sought-for pruemm Nob‘flertutormungerptoof f the superiority of Gardner plrformmeeo and Call, Inspect and Let Us Demonstrate This Winner at Once. - Its Story Is Best Told on the Road. THE GARDNER MOTOR'CO., Inc. OPEN EVENINGS Vehicle Builders Since 1882 WAYNE SMITH & CO. OPEN EVENINGS WHOLESALE AND RETAIL DISTRIBUTORS 22nd and M Streets - > Phone West 2007 A Ten~5h-ike' in CORD TIRES A Dependable Guaranteed Cord Tire, 30x3; . 58.85 Norwalk Tubes, 30x3'; - $1.48 Two Tubes, Special, $2.88 " Chas. E. Miller; Inc. - 812 14th St. Franklin 3684

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