| Show RODS GIVE NO protection french vine growers find they de rive no benefit from hetal rods they erected the vine growing region of the gl ronde in france has been quite extensively ten equipped in recent years with mil metal rods similar to lightning rods cnown as para greles or electric magaros and to af ford protection froia hailstorks hailstorms hail storms A careful af pf the functioning of these rods has been published by M C courty of the university of bordeaux the statistics presented lioi that numerous hailstorks hailstorms hail storms have comred in the vicinity of nearly all the rodah moreover according to comity there has been no obvious hange in the character of these bornis since the erection of the rods ills tirl icle points out some of the principal reasons tor the erroneous inclusions eliat others have drawn in fauvor of them for example the fact that normally only one thunderstorm n five Is attended by hall that the area over which hall falls Is normally very small n comparison with that covered by the thunderstorm and hall tends to occur in scattered patches or narrow bands and lastly that a als tract in which hall has fallen for two r three years in succession often remains free arron hall for years regardless gard less of 1 I of halt protecting |
