Fourth Volume - New Description of the Sun Dial - Chapters - Page 4 Fourth Volume - New Description of the Sun Dial - Chapters - Page 5
Fourth Volume - New Description of the Sun Dial - Prologue - Page 3



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Fourth Volume - New Description of the Sun Dial - Chapters - Page 4 Fourth Volume - New Description of the Sun Dial - Chapters - Page 5 Fourth Volume - New Description of the Sun Dial - Chapters - Page 6



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