Fourth Volume - New Description of the Sun Dial - Notes - Page 240 Fourth Volume - New Description of the Sun Dial - Tables of contents - Page 241
Fourth Volume - New Description of the Sun Dial - Notes - Page 239



Fourth Volume - New Description of the Sun Dial - Notes - Page 240 Fourth Volume - New Description of the Sun Dial - Tables of contents - Page 241 Fourth Volume - New Description of the Sun Dial - Tables of contents - Page 242