Fourth Volume - New Description of the Sun Dial - Problems - Page 182 Fourth Volume - New Description of the Sun Dial - Problems - Page 183
Fourth Volume - New Description of the Sun Dial - Problems - Page 181



Fourth Volume - New Description of the Sun Dial - Problems - Page 182 Fourth Volume - New Description of the Sun Dial - Problems - Page 183 Fourth Volume - New Description of the Sun Dial - Problems - Page 184