Fourth Volume - New Description of the Sun Dial - Notes - Page 230 Fourth Volume - New Description of the Sun Dial - Notes - Page 231
Fourth Volume - New Description of the Sun Dial - Brief Compendium - Page 229



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Fourth Volume - New Description of the Sun Dial - Notes - Page 230 Fourth Volume - New Description of the Sun Dial - Notes - Page 231 Fourth Volume - New Description of the Sun Dial - Notes - Page 232



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