One morning last week scientists, foremen and loyal workmen at Corning (N. Y.) Glass Works looked anxiously up at a grey, wintry sky, hoped the threat of snow would not materialize, for momentous and delicate doings were on foot. The snow held off.
Beside the company's railroad spur stood a mammoth flat-topped trailer. Flat on the trailer lay a circular crate, nearly 18 ft. across, made of reinforced sheet steel. Inside, protected by close-packed felt and rubber, was the biggest and costliest piece of glass in the world the 200-in. telescope mirror destined...
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