Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 4 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 5
Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 3



Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 4 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 5 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 6