Three letters to James Dinwiddie from J.H. Harrington
Syllabus of a Course of Lectures on Experimental Philosophy
Royal Institution notes, 1810
Pieces of a letter
One letter to James Dinwiddie from William Steven
One letter to James Dinwiddie from Rawlins
One letter to James Dinwiddie from R. Vevers
One letter to James Dinwiddie from R. Cuthbert
One letter to James Dinwiddie from Dumfries Philosophical Society
One letter to James Dinwiddie from Charles Taylor
One letter to Col. Shawe from James Dinwiddie
Introduction
Extracts from the 68 volume of the Philosophical Transactions for the year 1778
Experimental philosophy, 2nd term, 1801