Fourth Volume - New Description of the Sun Dial - Chapters - Page 36 Fourth Volume - New Description of the Sun Dial - Chapters - Page 37
Fourth Volume - New Description of the Sun Dial - Chapters - Page 35



Fourth Volume - New Description of the Sun Dial - Chapters - Page 36 Fourth Volume - New Description of the Sun Dial - Chapters - Page 37 Fourth Volume - New Description of the Sun Dial - Chapters - Page 38