Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 228 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 229
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 227



Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 228 Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 229 Fourth Volume - New Description of the Sun Dial - Notes - Page 230