| Show USING COMPRESSED AIR AR J E Dooly has lias in il an nn anan an tir cleaning plant with which he ho has equipped the Dool block and It IH il working to a u charm char The rhe ma machinery Ia chinery is simple on the tho HUC uc tun plan A handy sweeper shaped like lc the ordinary Is hi equipped with I a perforated cylinder whole axis is a hollow tube connecting with a hose at lIt the tlC handle This hoso hosu connects with wih a n pipe In the tha hall hal running r Into a main mala that is connected with tho th floors and unI ends down dowl In II tho room where tho dirt is emptied Into a huga e sheet lion Irol upright cj Under A Atho 11 tho accumulates it Is let l t out through a L galo into Inlo a L bucket from which it is Into Inlo the tho f and consumed So as the tho sweeper Is tolled over a 3 carpet tha tho accumulating dust Instead of being thrown t Up into hio the tho air all and into human lungs lun lunis is is suek sucked Into the receptacle re and them themis is no 10 dust L whatever The fhe Judge build building ing and Cullon Culon hotel arc aie also thus equipped nj m Is 1180 Mr fl ea t South Temple street On tho 1001 of the thc Dooly Doo block there are area a 3 dozen nozzles for tor weeper sweeper hose con connections on all ni the upper floors there ire arc throe nozzles distributed equal dis talce ances apart and an having 50 feet of hObo hoo to o a L |