Fourth Volume - New Description of the Sun Dial - Chapters - Page 82 Fourth Volume - New Description of the Sun Dial - Chapters - Page 83
Fourth Volume - New Description of the Sun Dial - Chapters - Page 81



Fourth Volume - New Description of the Sun Dial - Chapters - Page 82 Fourth Volume - New Description of the Sun Dial - Chapters - Page 83 Fourth Volume - New Description of the Sun Dial - Chapters - Page 84