Show DIAMONDS BIG HELP IN industries about half of the world worlds production find finds way into factories noes does your family own between and 1 00 worth of dla minds if it to so it bolls its lt average hare share I 1 of united states wealth la to these precious pre cloos tones stones the mot most recent estimate places the estimate of dia mends monds owned in the unite 1 states at a fleure A bulletin from ie national geo eo graphic society tells of clauses in diamond movements an annl I 1 of eien een more marked worked changes in methods neth of minin and handling hand linc the tile gems Vi diamond amond imports fell of oft in uto tito alons along alth alter kinport lin port saas the bulletin but even ean v nith ith a reduction of 0 one third from the leak teak importations of 0 the precell ng year more than a g half halt million carats of dia diamond onu moms valard at over en the countley not all for adornment one reason why wily diamond im 1 held up better than the of ome some other coin even in a year of t depre depres elon slon Is 1 that not all I lla morKis arc are destined to forth from roin jew eiry elry that adorn men anil and more afore than hilla 1 the worlds prodoc ion tion of tones stones in n quantity li Is used in industry many in ways surprising in to the layman some furm form bear logs ings for watches chrono chronometers meters electric meter meters and other accurate instrument instruments and sill laboratory la borato r y toa to some la in which tapered ere d h hole 0 les are drilled are used for drawing one wire of platinum liver silver cold gold end and rare metal metals much bluch of 0 the wire used tor for electric and radio bulbs and other delicate del leate apparatus t to drawn through diamonda other industrial use uses for dia monds aie ate aa as drills for lines 1 por celain retain and similar hard wit turning tool tools for lathe work en graving graying point points and as a audit it x ediff edges for rock drilling drill lne and 1 lor kor purposes only tie less nearly perfect and ie less valuable stones are used more than half the diamond mined find tt it cir way into industrial we use but tie tit value of chest working diamonds ts Is of course very much leej less than the vl allue lue of patrician diamonds dia monji used in jewelry united state states chief consumer africa looms lare la to the dia mood ond industry I 1 lighty ove per cent of all diamonds I 1 produced come from that continent about bait halt ct of them from south africa the united state states Is 1 the wolde wold wo ld a greatest dia mond consuming country it absorb absorbs nearly the eq ot of the entire south african output diamonds DIn monds have been found la 10 all or 0 f tb the continent continents bat but la in none in s such uch ai as in to africa other sect lovs of africa best les south at af rica contributing are rhodesia tanganyika angola del bel glan congo longo and the col got I 1 boast one on of ho ilia earlleen earl eari leet lest known sources urceil of the I 1 he world worlds i diamond supply nei was india and nd a lew few of the ilis cenis gems still till are mined there na N it to soctt africa in fl imbor moor tance us a diamond pro ludrig reelon region li Is at me one use WOW adlam ad miner were at work there bat but the greater richness cx of african mine ines and the tile greater east en of re livering ai coerlin coer vering ln the he sauces toca la in africa brought about a decline in the ura bra industry loda itry dutch guiana if it the he only other important source of diamond amonds dl la in south america la ili the eat past borneo A t 11 and ad tat Tet in arita ciarla produce mou ome ate df amond and a it few e have bren been discovered in siberia la in f drope a negligible quantity of diamonds diamondi hare have been found chiefly in tie ural mountain of llusala and in lapland small stones tone have come to II 11 lesl 1 I t in to alluvial allor lal balts in various parts of the hr united sate I 1 lul tit no field of im hae have been discovered in north orth america 1 |