

GASOLENE 47 



GUIDE TO FURTHER READING 



"Discoveries and Inventions of the Twentieth Century," by 

 Edward Cressy. (Dutton and Company.) Contains chapters on 

 petroleum and gas engines. 



"Chemical Discovery and Invention in the Twentieth Century," 

 by Sir W. A. Tilden. (Dutton and Company.) 1916. Contains 

 chapters on petroleum and rubber. 



"America's Power Resources," by C. G. Gilbert and J. E. Pogue. 

 (Century Company.) 1921. Shows the economic significance of 

 coal, oil and water-power. See also the same authors' "Energy 

 Resources of the United States," Bulletin 102, Smithsonian Insti- 

 tution, Washington. 



"Gasoline and Other Motor Fuels," by Carleton Ellis and Joseph 

 V. Meigs. (Van Nostrand Company.) 1922. Comprehensive 

 volume on the manufacture of gasolene. 



Reports of the United States Bureau of Mines for statistics of 

 production of petroleum products. 



Yearbook of the National Automobile Chamber of Commerce 

 (N. Y.)t and current motor magazines for figures on the development 

 of the industry. 



For the sociological effects of the introduction of the gasolene 

 motor the reader will have to rely upon his own powers of observa- 

 tion and reasoning. 





