Clifton College Scientie Society. I7 



4 H, + 3 Fe = Fe3 0, + 4 H, 



In this impure state it is passed into purifying chambers coutainina 

 oxide of iron, and is at once rid of the silphur compounds and^f 



^; |s«- -L ^S eoi -4s&-^S 



made so as to give it a thorough tria^^tt^unTS rS^^hTexp^^^ 



t th?furn:ce"l? S 'T"V^ 'fT'' '' '''' ^^^'^^ and two E 

 the leL oJft \ Pnn^l ? r ^''^ ''■ ^f ^™ produced, which, to say 

 tne least ot it is equal to ordinary gas for heating purposes and caf^ 



uiiwi d piessuie ot 3 inches water, Th s was p<?h'mfori f^ i 

 about 5 cubic feet per hour. Now the coslof th s 'as ll h worS 

 was found to be 7d. for 1,000 cubic feef, so, in the above ex er^p^^ 

 U -^equivalent to converting 7 gallons ofVater f.tTss'Tare" h fc 



galloi 0? wa'e'r' l'.;'!]' '"'''^ '"^^^ ""■ ^'-''^ •-*! ^^^ '^ 

 P.ce ir^ Ssa^! ,:l^- P--^,- ^^e seeoi^ part of the 



a highly lumnious one, it is necessary to hnl^.t fil "1 !• ^'» 



t avitj 01 about 68— It then passes directly throuo-h uines in ih<. 



OnelhoVs X C,hx. ff IT,!; "?/ " '? "l"'^' ? ""■ ''« ■•«*'■ 



