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Perez Trilichanon goniarithmetron .tif Book Perez Francesco Trilichanon goniarithmetron typis Antonii Benucci et soc Florentiae lat it Trilichanon goniarithmetron id est Triplindex angulonumerans et mensurans instrumenti geometrici mostrantis gradus minuta secunda omnia nova inventio quam Franciscus Perez sacrdos camarapolitanus