Fourth Volume - New Description of the Sun Dial - Problems - Page 184 Fourth Volume - New Description of the Sun Dial - Problems - Page 185
Fourth Volume - New Description of the Sun Dial - Problems - Page 183



Fourth Volume - New Description of the Sun Dial - Problems - Page 184 Fourth Volume - New Description of the Sun Dial - Problems - Page 185 Fourth Volume - New Description of the Sun Dial - Problems - Page 186