Fourth Volume - New Description of the Sun Dial - Problems - Page 208 Fourth Volume - New Description of the Sun Dial - Problems - Page 209
Fourth Volume - New Description of the Sun Dial - Problems - Page 207



Fourth Volume - New Description of the Sun Dial - Problems - Page 208 Fourth Volume - New Description of the Sun Dial - Problems - Page 209 Fourth Volume - New Description of the Sun Dial - Problems - Page 210