THE REIGN OF LAW 169 



REFERENCES 



Alembic Club Reprints, Foundations of the Atomic Theory. 

 Joseph Priestley, Experiments and Observations on Different 



Kinds of Air. 

 Sir William Ramsay, The Gases of the Atmosphere and the History 



of their Discovery. 



Sir Henry E. Roscoe, John Dalton. 

 Sir E. Thorpe, Essays in Historical Chemistry. 



