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Keywords from Image Description:
Longomontanus Inventio quadraturae circuli . Book Longomontanus Christen Sorensen Inventio quadraturae circuli typis Tychonianis Hafniae lat it Christiani Severini Longomontani Inventio quadraturae circuli nempe Symmetriae lineae rectae circularis longitudine II Aequalitatis lineae rectae circularis III Rationis diametri circuli