@prairie_2 Stupid fact it is topped with a very expensive metal known at the time... aluminum. https://t.co/8m9tewBcnf
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@GrayConnolly The cap of the Washington monument was the largest casting of aluminum in the world when it was made in 1884. https://t.co/Bfuq2EBFyQ.
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@brexit_sham Ornamental block in Washington has aluminium cap. https://t.co/yP1hLl9hL5 https://t.co/LPFWWYhAKt
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In honor of Presidents’ Day: The builders of the Washington Monument might have placed a statue of our 1st President on top. Instead, a simple cap made of a strong, light, and very rare metal—#aluminum—was chosen to complete the monument. #presidentsday ht
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Enterprising chemist & metallurgist William Frishmuth produced the first large aluminum casting in the United States http://t.co/pkbmKchEQ7