Fourth Volume - New Description of the Sun Dial - Problems - Page 192 Fourth Volume - New Description of the Sun Dial - Problems - Page 193
Fourth Volume - New Description of the Sun Dial - Problems - Page 191



Fourth Volume - New Description of the Sun Dial - Problems - Page 192 Fourth Volume - New Description of the Sun Dial - Problems - Page 193 Fourth Volume - New Description of the Sun Dial - Problems - Page 194