| Show RODS GIVE NO protection projection french vine growers find they do de ri rl veiN veNo benefit from metal 11 rods they erected the alne alne growl growling ng region of the or 01 ronde to in franca france has baa been quite extensively ten equipped in recent years with tall to metal 0 tal rods similar to lightning rods rod s known as paro greles or electric electr lc I 1 Nia garas and to af 1 ford protect lou from holl storms A careful study of the fuu c dioning ot of these rods has recent recently lybee been 0 published by at E courty of the university 0 of bordeaux the statistics presented show that numerous nam erous hailstorks hailstorms hail liall storms have occurred in ili the vici vicinity alty of nearly all the rods moreover according to it II courty there has been no obvious ca change I 1 ange in the character of these storms storms since the erect erection lon of the rods his article points out oil t some of the principal reasons for the erroneous erro neou conclusions that others have drawn la in favor of them tor for example the act fact that ab nb normally r n ally 0 only one thunderstorm i in five I 1 Is s attended attend edby by hall that the ar area enover over which hall falls Is normally very small in comp comparison arlson with that covered by the thunderstorm and hall ball tends to occur in scattered patches or narrow bands banda and lastly that a district in which tall hall his has fallen for two or three years in succession often remains free from hall for foi years regardless gard less of it installation of hall ball pro teching devices device |
