Fourth Volume - New Description of the Sun Dial - Chapters - Page 66 Fourth Volume - New Description of the Sun Dial - Chapters - Page 67
Fourth Volume - New Description of the Sun Dial - Chapters - Page 65



Fourth Volume - New Description of the Sun Dial - Chapters - Page 66 Fourth Volume - New Description of the Sun Dial - Chapters - Page 67 Fourth Volume - New Description of the Sun Dial - Chapters - Page 68