Fourth Volume - New Description of the Sun Dial - Chapters - Page 54 Fourth Volume - New Description of the Sun Dial - Chapters - Page 55
Fourth Volume - New Description of the Sun Dial - Chapters - Page 53



Fourth Volume - New Description of the Sun Dial - Chapters - Page 54 Fourth Volume - New Description of the Sun Dial - Chapters - Page 55 Fourth Volume - New Description of the Sun Dial - Chapters - Page 56