Fourth Volume - New Description of the Sun Dial - Chapters - Page 90 Fourth Volume - New Description of the Sun Dial - Tables - Page 91
Fourth Volume - New Description of the Sun Dial - Chapters - Page 89



Fourth Volume - New Description of the Sun Dial - Chapters - Page 90 Fourth Volume - New Description of the Sun Dial - Tables - Page 91 Fourth Volume - New Description of the Sun Dial - Tables - Page 92