Show airplanes good work another experiment in the lie adaptation of the airplane to pence peace I 1 time lin activities tivi ties was waa recently made near day ton toll 0 says saya popular Alech mechanics atiles magazine A six acre grone gawe of young ra tulpa trees had bad been barn attacked by insects awl aud uns ns in danger of being de bt btroy royed cd an airplane burred directly over the grove and sifted powdered tir senate of lend lead into the trees only a few minutes were required to ac this oils which would otherwise lime liae demanded the services of a largo large number of men und and sprays for several se arul days rind and moi or it was lone done more effectively by the plane |