Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 216 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 217
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 215



Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 216 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 217 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 218