Liberty Bell passes stress test.(Tech Spotlight)

Advanced Materials & Processes,  September, 2003  by Chamot, Josh

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National Science Foundation Arlington, Virginia Recently, under the watchful eyes of curators, conservators, surveyors, and engineers, a team of riggers deftly lifted the fragile Liberty Bell off of the supports on which it has been resting for a quarter century, and confirmed that the Bell can be safely moved into its new home this fall.

Recognizable across the globe with its famous crack, the 250-year-old bell is remarkably frail for its size. The metal is far from pure. Rather, it is a mixture of various metals, voids, and contaminants, intermingled "like a piece of ...

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