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Show Placing Huge Penstock Tube at Norris Dam , J f- t" - , ' i vjl v ' , X 4 H XxS x-X?XX xi -"xir? i rl xS J x x xl x I . - v-"xJ. 4,v; tiV fx-x - - V ) ' . " 5 o.x -xx e . i , V ' i ' -x ! 1 x ' 11 x I i I " xA , ? VS Wx. - lx yv Nxx XX- ' i ' " -j--?-" X - -f X lL X - i 0XXXX.!tVMXXi5!M!S! -Xiiiaxx X.XX Jxx. - J-X, O.XXX First huge section of the two penstock tubes at the Norris clam, TVA's $32,000,000 project near Knoxville, Tenn., as it was lowered into place at the dam. Each section of these tubes Is 20 feet la diameter, and each of the two tubes will be more than 300 feet long when completed. |