Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 220 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 221
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 219



Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 220 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 221 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 222