viii CONTENTS. 



PAGE 



Character of Young. His Position as a Physician. His 



Engagement on the Nautical Almanac. His Death- 330 

 Note by the Author 350 



JAMES WATT. 



Preliminary Notice 351 



Infancy and Youth of James Watt. His Advancement 

 to the Appointment of Engineer to the University of 



Glasgow 352 



Principles of the Steam-Engine 362 



History of the Steam-Engine in Ancient Times 366 



History of the Steam-Engine in Recent Times 370 



Modern Steam-Engine 379 



Watt s Labours in the Steam-Engine 387 



Machines considered relative to their Effect on the Wel 

 fare of the Working Classes 407 



Press for Copying Letters. Heating by Steam. Compo 

 sition of Water. Bleaching by the Aid of Chlorine. 

 Essay on the Physiological Effects that may result from 



Breathing various Gases 424 



Watt in Private Life. Details of Events and of his Dis 

 position. His Death. Numerous Statues erected to 



his Memory. Reflections 441 



Academical Titles with which Watt was invested 467 



APPENDIX. Retranslation of an Historical Note by Lord 

 Brougham, on the Discovery of the Composition of 

 Water 469 



NOTE BY W. FAIRBAIRN, F.R.S. F.G.S 481 



