Show G U TT WIRE IS MADEJ SUT E BY PHOTOS transferred to maps they bring french artillery artiller to high efficiency PROCESS n IS NEW INVENTION every enemy object accurately recorded after airmans Air mens scouting of 0 f flights maps brought to date dally daily french front accuracy and efficiency have been made possible for the french artillery by the th invention of an instrument that enables enable french map makers to locate almost exactly an object within the enemy lines which has been photographed from froin an airplane in transferring to io a map the photographed object such as an enemy battery or dump the margin of error la is limited to less than five 66 snada this permits the frenck a to pa pour ur its shells with almost certain aim onto german gun em placements trench positions crossroads cross roads capton 0 aton ments railroad lines aviation camps and other enemy organizations it Is unnecessary for foi the gunner to have even a distant view of the object he Is filing at invention makes tran transfer easy to take a photograph of the enemy lines from a french airplane Is nn an easy matter but to transfer the objects photographed aa to their exact location on a map was for a time extremely difficult this was due to the enry varying ing heights and angles from which the airplane observers made their photographs by the invention of one of the off officers leers attached to the geographical gec section tion this difficulty has been almost ellman eliminated abed not only the aerial observation service but other methods of spotting german positions more especially cannon and macli machine lne gun em placements emplacements ore are utilized as aa aids to the w work ork of the military map maker the flashes of guns g ms as they tire are fired from the german side form one a ne valuable adjunct to ills his work but the most all Is the calca calculation lation of the tha speed of the sound of the firing charge of tile german shells this has been brought to a basis of such perfection that the guns can now be located with almost absolute accuracy in fact in recent operations it has proved that the system of observation by sou lid has given bucce successful results in over 80 per cent of instances in every army there Is a branch of the ged geographical graphical section and each Is furnished with it a lithographic and printing plant and skilled workers lihota photographers raphers and mathematicians in a very few hours after the receipt of the days operations from all the various sources dozens of coples copies of the corrected inabu are ready for issue to nil all tile the staffs of corps divisions and brigades comprised within the army concerned Nothing As 1 Is omitted emitted from the maps every church house chimney chin incy mill bridge road railroad group 0 of trees Is marked vw as well as eberyl turn and twist of an enemy trench or system of barbed wire antan entanglements entangle gle ments every stream ditch bridge ford aery path used by supply parties eye every ry point of resistance organized shell crater lookout post Is shown on the maps maps on oil a very auge scale are ard given when an attack Is about to be carried out so that thai each officer and man participating P may know exactly what 4 Is s 1 in ii front and alid what hema bo teay expect act to encounter during his andr c |