Fourth Volume - New Description of the Sun Dial - Chapters - Page 28 Fourth Volume - New Description of the Sun Dial - Chapters - Page 29
Fourth Volume - New Description of the Sun Dial - Chapters - Page 27



Fourth Volume - New Description of the Sun Dial - Chapters - Page 28 Fourth Volume - New Description of the Sun Dial - Chapters - Page 29 Fourth Volume - New Description of the Sun Dial - Chapters - Page 30