Fourth Volume - New Description of the Sun Dial - Chapters - Page 56 Fourth Volume - New Description of the Sun Dial - Chapters - Page 57
Fourth Volume - New Description of the Sun Dial - Chapters - Page 55



Fourth Volume - New Description of the Sun Dial - Chapters - Page 56 Fourth Volume - New Description of the Sun Dial - Chapters - Page 57 Fourth Volume - New Description of the Sun Dial - Chapters - Page 58