American Cut - The First 100 Years book

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American cut--the first 100 years : the evolution of the American cut diamond, 1860-1960 : Gilbertson, Al M. : Free Download, Borrow, and Streaming : Internet Archive

Partial contents: Old World roots of the American cut -- Mechanization, ingenuity, and Henry Dutton Morse -- More innovations and the emergence of optics --...

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The book is there to read and download.