Show USE OF TAR PREPARATIONS S STO TO PREVENT DUST ON ROADS From Good lit mit- miti I I II I As 8 tho thu bicycle emphasized the need u oC of smooth roads so sri the Iho bali hab emphasized l l the want of ot dustless roads Tar far has hits been uS used II to make c highway dustless since In m the year yeal the till League for foi Hie lIll lolI of or DUI Dusl tied tat lar on ott the rh The 1 experiment was wa so 0 decisive that lint the lie I lar tUl process i iS is' is I now IW used usell throughout l' l France a as the time chief means for keeping keep j ill ing dust 1111 down on tho time loal road It lL is i In Imi Franco Fiance that lint till tho Increased durabIlity of tit the lii roadway when whon treated h by this process results result Jn iii au un annual saving Savin rif Of e 2 25 per cent In iii Inthe time the co cost t of oC maintenance notwithstanding III lug ing the additional expense mm nf tar tam treat teat ment remits mv IC tilts have haC ha C been shown IJ by ly engineers In America who have hu studied the subject Jl ll- ll Itis la is asserted l that that in iii this country during the thc year I 1900 1906 lOG about S yards W were Il treated with u it tar tur composition compo compo- nailed called and n that the tho result re rc stilt sult was WUI invariably successful even under heavy automobile mule An Ati excerpt from the time government J re report re ic- port of or tests t at Jackson Jacl Is as follows S After morn more than hiatt seven months In Including III iii- eluding th the winter months nf rif os 1905 the tarr tarred street anti and roads a am still In excellent con condition Thc They atc are hard hald it and iii I Il Sc Iii iII asphalt I I except limit they y show simon- simona a moie l gritty surface The tat tar forms a u pai part pail t of or the lie surface proper and amid I is h In perfect bond with wilh the lie macadam S Sections cut cul from time the street show that the tar tur has ha penetrated pene from vomit one to tu two and the tIne fine black Hues lines seen in iii the In- In oral lees between lh time the individual stones stulles show that ihal the trie mechanical bond has haH I been reinforced by the penetration of nr the tar The Flie tilt tar Is li a u Into which the thC stones of oC the time surface ate set HOl set forming a u conglomerate or con crete A outing eating applied a it yeti a aftem the hi first OlSt require much munch less Jess tar than tItan tho Iho as the Inter Inter- slices of or the rock lock would then he be with tam lai I Though u a sandy powder pO j joff off err as aK in lit the ease case of f r asphalt 11 Jl tarred I I I. dustless dustiest in hi the time same samo that an ami asphalt street is hi dustless Tins i i sheets tl have o been swept regularly und t I the etl city government is In lii OI favot oi nl i treating all of the lie street street- with ta tat tai I I The cleaning that would soon goon ruin an nit ant ordinary macadam road moad does docs not il ni inI n in- t i jute jure the lie tarred surface as the thc I j are aie not torn up uTI or in The tam lai talhas Itself has antiseptic properties hence henc Its use tite would be beneficial both holh n as a aj germicide c anti and n ns a mi of or j I cleanliness s' s S SIt It I is sai said that the iho authorities at al lJur burg Pa Authorities selected Grant boulevard as us u a J street lint would se severely so- so el verely I tl try lie tle merits meris und and expose au any ammy of this material the el weight ht o of f the lie business and time the number of if automobiles passing wor ivor this nil's ni-col ni arc said sull to bo be moro mor than Ihan on oh 01 streets where stone block or other been heen has very durable pavement cl deemed necessary u lo to endure the wear because this arll boulevard is Iii r very in III places and because I Its surface IN is scoured by hr large laige quantities of a fr I It I I is 14 commonly reported I that ha t I the lie I dust TUi there was WU so sn bad i that lint it menaced c tin tin- lt life of f the and thai lint in at 11 it least on one 1110 ease tae i tiit ol Cl ud ol iu u- u Injury im mv w it a as en lH i u lc d bv hy o a ell of tt thrown up l I by one umme oll o so su blindIng blind blind- of following machine In lug Ing the lie drivel lI crI a 1 roJo ll that h ho lie steered it into an tin open trench with dl disastrous u trous results Application of the process Is said to have C 11 ma made l' l the boulevard IHal smooth where whet It wa wa e c verj vely uneven aill and amid to have bound the time tOil top Oh dressing of ut screenings er kept the Iho dust dusl down and prevented scouring by b storm water It H Is asserted that hint if I this 1 failed ailed Caled to do 10 all al any 01 one of or the city hoped it I would do the lie failure was as in III that it Il did not mal malo a anew new IW road rond of an old one uric nor miot put a I macadam toad road Into such con condition ton that that it I would stand n a f Co for fot I which stone blocks 01 or other oiher durable durble pavement pa is II commonly z ro ll provided 11 Jackson have announced that they fa favor Ca- Ca a- a vor or the us use of nf tat la on Of every on mac mar macadam adam adum street ct or om roa roadway within their jurisdiction Hn and a large laige number of or cities have lutc expressed ed their helm Intention of continuing and amid extending the use of this tat tar composition on their macadam time mae adam allam roads S Asked 4 to test lest the lallo treatment as us a a. m means al lot for Ilin laying dust cust the Pitts- Pitts |