| Show NEED OF or CORUNDUM Never f er In the hl history t ry of the abrasive Industry halt baa the tUne time been snore more op lip opI I for tor the development of nf co cli properties than nt nl present when there I Is a 1 r lI of ot emery ore nt re During Burial the production pr of jr co corundum 0 and finery In the Mates tates according to 10 Mr Ir Joseph Hyde Idt Pratt who nho hat has ha written a report on the production of lit abrasive materials material for tor forthe forthe the Ihl United States State geological survey ure amounted to lu 1126 short horl tons lOll valued at t as compared with 1916 I 9 IIi ton at III In 1904 nn fill Increase of lit 10 tons In and suid of 1179 In iii value alu The corundum mined wa was from North orth Carolina and Montana and time ilie finery emner from New NewYork Nc t York Ami IR The Greek ansi and Turkish de deposits are not nol furnishing the Ihl grade of ot emery fOIer that thatis ls is desired lIe nor the ansi this lias has also been b n true during the time past patt year Pr Prof r of or the emery m n mines minI In this country Cf The Th Canadian corundum deposits po sup supply supply ply II to lo rom robe extent the Hie demand for or corundum bit there 1 is III still Mill a n large lar enough h market t to If warrant the tho lh work working workIng ing of ot deposits dt In this country The Th Importation of ot corundum emery Into Inlo the Sines Sla s U Ic I stilt largely In of the home production lion tion In 19 these Imports were fre valued IUN at III SUj 5 against a aln t 04 the value alue of 01 1504 |