The world-renowned Koh-i-noor caused great disappointment at the Crystal Palace Exhibition in London in 1851 by its inability to develop its colored refractions unless surrounded by vivid lights, and was, indeed, much inferior in appearance to its glass model in the Tower; consequently, after much counsel and examination, it was sent to Amsterdam to be cut. undertaking was made, after great preparations; and the Duke of Wellington himself went through the forum of beginning the work
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