Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 212 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 213
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 211



Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 212 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 213 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 214