Fourth Volume - New Description of the Sun Dial - Notes - Page 238 Fourth Volume - New Description of the Sun Dial - Notes - Page 239
Fourth Volume - New Description of the Sun Dial - Notes - Page 237



Fourth Volume - New Description of the Sun Dial - Notes - Page 238 Fourth Volume - New Description of the Sun Dial - Notes - Page 239 Fourth Volume - New Description of the Sun Dial - Notes - Page 240