Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 58 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 59
Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 57



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Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 58 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 59 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 60



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