A treatise on the eye : the manner and phaenomena of vision. In two volumes. By William Porterfield, M.D. Fellow of the Royal College of Physicians at Edinburgh
eBook, English, M, DCC, LIX. [1759]
Printed for A. Miller at London, and for G. Hamilton and J. Balfour at Edinburgh, Edinburgh, M, DCC, LIX. [1759]