Fourth Volume - New Description of the Sun Dial - Chapters - Page 86 Fourth Volume - New Description of the Sun Dial - Chapters - Page 87
Fourth Volume - New Description of the Sun Dial - Chapters - Page 85



Fourth Volume - New Description of the Sun Dial - Chapters - Page 86 Fourth Volume - New Description of the Sun Dial - Chapters - Page 87 Fourth Volume - New Description of the Sun Dial - Chapters - Page 88