Fourth Volume - New Description of the Sun Dial - Chapters - Page 46 Fourth Volume - New Description of the Sun Dial - Chapters - Page 47
Fourth Volume - New Description of the Sun Dial - Chapters - Page 45



Fourth Volume - New Description of the Sun Dial - Chapters - Page 46 Fourth Volume - New Description of the Sun Dial - Chapters - Page 47 Fourth Volume - New Description of the Sun Dial - Chapters - Page 48