Fourth Volume - New Description of the Sun Dial - Problems - Page 202 Fourth Volume - New Description of the Sun Dial - Problems - Page 203
Fourth Volume - New Description of the Sun Dial - Problems - Page 201



Fourth Volume - New Description of the Sun Dial - Problems - Page 202 Fourth Volume - New Description of the Sun Dial - Problems - Page 203 Fourth Volume - New Description of the Sun Dial - Problems - Page 204