THE WORKS OF JOHN PLAYFAIR, ESQ. LATE PROFESSOR OF NATURAL PHILOSOPHY IN THE UNIVERSITY OF PRESIDENT OF THE ASTRONOMICAL INSTITUTION OF EDINBURGH, SECRETARY OF THE ROYAL SOCIETY OF EDINBURGH, WITH A MEMOIR OF THE AUTHOR. VOL. IV. EDINBURGH: PRINTED FOR ARCHIBALD CONSTABLE & CO. EDINBURGH, AND HURST, ROBINSON, AND CO. London. 1822. |