Fourth Volume - New Description of the Sun Dial - Chapters - Page 24 Fourth Volume - New Description of the Sun Dial - Chapters - Page 25
Fourth Volume - New Description of the Sun Dial - Chapters - Page 23



Fourth Volume - New Description of the Sun Dial - Chapters - Page 24 Fourth Volume - New Description of the Sun Dial - Chapters - Page 25 Fourth Volume - New Description of the Sun Dial - Chapters - Page 26