Fourth Volume - New Description of the Sun Dial - Chapters - Page 32 Fourth Volume - New Description of the Sun Dial - Chapters - Page 33
Fourth Volume - New Description of the Sun Dial - Chapters - Page 31



Fourth Volume - New Description of the Sun Dial - Chapters - Page 32 Fourth Volume - New Description of the Sun Dial - Chapters - Page 33 Fourth Volume - New Description of the Sun Dial - Chapters - Page 34