Show GREAT GREAT BUTTE I tM a sr c KO 11 forced 1 ci of Modern I Out ti of 11 t Mont where the tiit lw I i great stamping mills am anti ami orf conc orf-conc ore n- n toils have hae turned thre tie mull mull- 1 cl city tutu Into a zt titanic Inferno of tall tail tal chimneys belching black LInch and sulphurous sulphur oU ous fumes one oils Irm I OUS lower the thie top of or whIch Is lest feet fett above nb time the ground When Its erection was planned trie tho Is Idea tda was to build It I of brick That would woul have required a thickness s of 12 or ot 1 16 G feet of masonry masom at al Its Is ba base e. e But a con construction engineer from it C lie cn ras-b ras o was called Into consultation I proposed po wd lint the tw ill huge chimney be h. built o of concrete anti and J some mIsgivings misgivings mis mIs- givings s. thin the j larr was wa adopted lie le prepared a foundation G C feet deep e I 1 12 2 by I 12 2 feet of concrete with witha i h a Cl number t of steel let 1 enforcing re-enforcing re re Beginning at th this r ground level he lie carri carrier car car- rS ri rier d two thin in concrete reo shells upward for rel JOO 00 feet Ceet Tb The outer one uric Is i. i only 9 9 Inches in Iii while separated seurat seurat- ed by 4 inches of space from this his Is Isan isn an l n Inner shell Rhel G S Inches thick At a n height heigh t of f r feet ct these two we unite Into lato a sIngle Ino 7 7 shell heU of or concrete con eon crete which extends skyward until the he vast height of or feet Is reach reach- ed mI This chimney many r feet t higher than our modern city sky so skY rs apers i ither Is ther therefore oro composed of or but 14 I Inches jf if c concrete at the lie base bae and half thai ant amount for tho lie upper 0 fe fet feet t It I t H Is Slot lt of oC plain concrete but Is IN re-en- re both horizontally awl and vertically vertical vertical- ly Iy with a number of sif small smal steel seel l' l rods rohs l which were re held hel li In I place lace until unU the lie concrete hn had been blen deposited around noun them hemn making a n re enforced re concrete body superior In every way wiy to built both steel ani and amid brick masonry There ar in il-i the he United Stul Stutt cor of these wonderful s cal World |