Fourth Volume - New Description of the Sun Dial - Chapters - Page 58 Fourth Volume - New Description of the Sun Dial - Chapters - Page 59
Fourth Volume - New Description of the Sun Dial - Chapters - Page 57



Fourth Volume - New Description of the Sun Dial - Chapters - Page 58 Fourth Volume - New Description of the Sun Dial - Chapters - Page 59 Fourth Volume - New Description of the Sun Dial - Chapters - Page 60