Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 218 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 219
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 217



Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 218 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 219 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 220