Fourth Volume - New Description of the Sun Dial - Chapters - Page 6 Fourth Volume - New Description of the Sun Dial - Chapters - Page 7
Fourth Volume - New Description of the Sun Dial - Chapters - Page 5



Fourth Volume - New Description of the Sun Dial - Chapters - Page 6 Fourth Volume - New Description of the Sun Dial - Chapters - Page 7 Fourth Volume - New Description of the Sun Dial - Chapters - Page 8