Show ahr th is anlu on 1110 one n offo boby r J A K iia m US Patent office wide re e rk a P alving onig to RAND products ts SEEM jackhammer Jack hamer drills have proven so worthy that workmen prefer them because they are self rotating self lubricating easy to operate long on work and never go back on a friend insist on the jackhammer Jack hamer here are some of the features by which you will know it A simple hole blowing leyner rotation system device directing exhaust a combination of air in any direction sergeant rifle bar and or stopping the ratchet mechanism drill to pass live air with fluted piston and down the hollow drill sleeve chuck used on steel to blow the cuttings all ingersoll rand self out rotating drills the handy spring steel puller conveniently attached butterfly valve positive to the forged nonfreezing non freezing s reliable steel front head send jor Bulletin INGERSOLL RAND COMPANY f 4 GENERAL OFFICES 11 II BROADWAY NEWYORK offices n linw M ony ro oace J JD D I 1 ll 11 I 1 arago assou rand |