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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Construction Materials ✖Remove constraint Subjects: Construction Materials Titles Report on the patents and processes in the manufacture of the American building block ✖Remove constraint Titles: Report on the patents and processes in the manufacture of the American building block

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  • Report on the patents and processes in the manufacture of the American building block1