Fourth Volume - New Description of the Sun Dial - Chapters - Page 8 Fourth Volume - New Description of the Sun Dial - Chapters - Page 9
Fourth Volume - New Description of the Sun Dial - Chapters - Page 7



Fourth Volume - New Description of the Sun Dial - Chapters - Page 8 Fourth Volume - New Description of the Sun Dial - Chapters - Page 9 Fourth Volume - New Description of the Sun Dial - Chapters - Page 10