Show INVENTS NEW BLAST FURNACE Mining Student Perfects Device Device De De- vice to Eliminate Poisonous Fumes of Copper San May Ia 20 The The Uni of California mining department department depart depart- ment announced today the perfection by Allan Bruce Marquard a s senior student of a new bre blast furnace In Ir which crude oil oU is used as fuel am and which it Is said will eliminate by means moans of a a. a vacuum hydro device de th the poisonous fumes rumes given off In the smeltIng smelting smelt smelt- Ing of oC copper copper Practical operation o otho of the tho l Invention n It la said ld has been had hadn Jn n the mining l laboratory of oC the th-e uni- uni Th The e en Invention invention- n I is haH hailed d as its of vas vast Im ortance-Jn ortance n the tile copper smelting industry in d duster str of t California Arizona Utah an antI and Montana as it will substitute California Califor nia crude oh oil as' as a cheaper fuel fo Cor coke cole which Is is now used at a high purchasing purchasing purlia pur pur- chasing lia cost coat The authorities sa say eay th the thc invention probably will enable half halt a dozen large larg-c copper oppe mines In California shut down as a result of litigation because be he- he cause sulphurous fumes given off ott damaged damaged dam dam- aged fruit and agricultural crops to re resume resume re- re sume operations The Tho vacuum hydro device of ot the furnace which concentrates poisonous gases g-ases in a water rater tan tan- tank tanIs Is said to have done away awn with the odor of ot Incinerated garbage Smokestacks are not net sa sar sary ry J J J. J M. M 1 Bidwell manager for tor or the American Amer Amer- ican Smelting Smelting- Refining company said last n night ht If the furnace is all thaIs that tha thatis Is claimed for Cor It it It I is a wonderful In Invention In- In and would probably bl be bo universally universally sally adopted Before DeCore expressing an opinion as to the merits of or the reported Invention Mr Bidwell said he would rather see see-lL in operation and also see sec seethe the reports of it its Uti actual workings If the process docs does what the dispatch dispatch dis cite patch says as It Jl will trill Itlo tiu then smelting smelling ores will not be bo so hard haid a problem as heretofore said Mr Ir Bidwell ll Before I would venture an opinion as to the worth of of the new Invention hn I would have havo to see I It t in operation It Il Is a wonderful l thing thins if it will work ork S r r |