Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 222 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 223
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 221



Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 222 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 223 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 224