DISSERTATION SIXTH: 
EXHIBITING A GENERAL VIEW 
OF THE 
PROGRESS OF MATHEMATICAL AND PHYSICAL SCIENCE, 
PRINCIPALLY FROM 1775 TO 1850. 
By JAMES DAVID FORBES, D.C.L., F.R.S., Sec. R.S. Ep. 
PROFESSOR OF NATURAL PHILOSOPHY IN THE UNIVERSITY OF EDINBURGH, 
AND CORRESPONDING MEMBER OF THE INSTITUTE OF FRANCE, 
