Fourth Volume - New Description of the Sun Dial - Chapters - Page 38 Fourth Volume - New Description of the Sun Dial - Chapters - Page 39
Fourth Volume - New Description of the Sun Dial - Chapters - Page 37



Fourth Volume - New Description of the Sun Dial - Chapters - Page 38 Fourth Volume - New Description of the Sun Dial - Chapters - Page 39 Fourth Volume - New Description of the Sun Dial - Chapters - Page 40