Fourth Volume - Gnomonics - Index - Page 564 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 1
Fourth Volume - Gnomonics - Index - Page 563



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Fourth Volume - Gnomonics - Index - Page 564 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 1 Fourth Volume - Construction and Use of the Sun Dial - Contents - Page 2



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