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Show TWO AND TWO DO " NOT MAKE FOUR Straight Up-and-Down Curbing With Sharp Edge Compels Motorist to Drive Out. TiriZS ARE EASILY DAMAGED Wcll-P.ounded Curb With Sloping Surface Sur-face Permits Car Owner to Park His Car Flush With Bottom of the Curbing. "Do two and two always make fourV" This is not the prologue to a vaudeville vaude-ville wheeze, nor is it the opening wedge for an intricate and technical dissertation upon the ramifications of suiue such subject a.3 integral calculus. The answer as you may have expected expect-ed is "No." The reasons simple, logical log-ical and uncontrovertible truths bused upon actual experiment. Any motorist motor-ist who has suffered the torture of unexpected blow-outs on some lonely road, traceable directly to "stone bruises," "rim-cuts" or uny other of the divers tire ills that come of too close association with the ancient sawtooth saw-tooth edged curbing, will rise In immediate im-mediate defense a'. v'.ki statement once he reads the fa 'tit assembled. For argument we will suppose that the street that fronts your home is 36 feet wide from curb to curb, and that the particular type of curbing used is straight up-and-down, square-cornered, and as is usually the case where type Is in use, sharp of edge. Rounded or Sloping Face. Going further in the process'ol argument ar-gument we will suppose that thl Is replaced by a cement curb witt. a "f V " " l - it fa i i Rounded Cement Curb. rounded or sloping face, graduating approximately two inches In from the road at the top and equipped with rounded corners. How much wider, then, would the I effective surface of your street become be-come with this change? "Four inches" you say. adding the two and two of each side. You're wrong." The effective width of the street becomes be-comes increased at least 24 inches, and possibly three or four feet. Motorists will see the reason for this at once. No careuil driver will squeeze his car close to a sharp-tipped, perpendicular curbing. He knows that disastrous Iniories to the t're fabric will result. H-ll!lIiiil , ' f - r- 1 '. V:P-' Pir::''i:: bquare-Cornci m "liriiii j Is t:j Be Avoided. In consequence he parks from six inches r a foot away from the curb. The serviceable width of the street is cut down just that many inches. If a car parks directly across the street, multiply the decrease by two. A rounded cement curb with n sloping slo-ping surface permits the auto owner park his car Hush with the bottom f the curbing. There is no possibility possibil-ity of injury to his tires, and the entire en-tire center of the street becomes effective effec-tive for 'radio. Sharp Corners Dangrocs. Sharp cornel's make lutors'-vw'ons dangerous for driving and the insanitary insani-tary collection of refuse and dirt igainst the sharp curb wall is done may with. The first rain Hushes the I'fter immediately, and this sanitary feature of the sloping curb recom-uiuud3 recom-uiuud3 it strongly to property owners. Actual constructioii of una jurl uas been so simplified by the development of ethcient forms and simple methods that the cost usually Is less than that of I he old type. This Is true whether the curb Is uiude by the monolithic princess, concurrently with construction construc-tion of the street, in which event It is called "integral curb," or is placed with a gutter unit, after the street has been completed. Added to the safety and economic appeal to the motorist, this type "soils itseif" readily to the taxpayer through its permanence, lack of maintenance main-tenance cost and beauty of design. A .";-foot street may be 30 feet wide, or may be considerably less. The little lit-tle 2-inch slope on the curved curb makes all the difference in the world. It might make the difference between life and death. A rim-cut tire Is a hidden menace. The motorist whose tires have suffered from curbing injury is riding over a volcano. He cannot see the breaking down of the interior fabric. He does not know it exists until the roar of r'-p blowout coiaes as a belated warning. warn-ing. Two and two do not always make four." |