The construction of the Statue of Liberty was beset with a number of difficult engineering problems. Importance among these were the practical considerations of how the statue would withstand the strong winds off New York Bay, and how it would support 100 tons of copperplate on its 151-foot frame (Corrosion Doctors).

In answer to these challenges, engineer Alexandre Gustave Eiffel (famous for his work on the Eiffel tower) was brought on board the project. He designed the iron pylon and secondary skeletal framework of the statue. This framework enables the copper skin of the statue to move, while remaining in an upright position (Statue of Liberty.org). The skeleton of the statue is 94 ft. high that supports a secondary iron frame which contained a system of flat wrought iron bars. It is these iron bars that hold the copperplate of the statue's skin (Corrosion Doctors).

Another smaller frame supports the...
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