THE AUTOMOBILE 283 



3. Which has more' advantages, the electric auto or the 

 gasoline auto? 



4. How does the gasoline engine differ from the steam engine ? 



5. What purpose does each of the following systems serve 

 in the auto : the carburetion system, the ignition system, and 

 the cooling system? 



6. Explain how the engine works. 



7. Which is the best method of lighting the auto? 



8. How does the chauffeur control the car? 



9. What devices are provided for preventing accidents ? 



REFERENCES 



Baker, Boy's Book of Inventions, Doubleday Page and Co., New 



York City. Chap. 4. 

 Cressey, Discoveries and Inventions of the Twentieth Century, 



E. P. Button Co., New York City. Chap. 14. 

 Darrow, The Boys' Own Book of Great Inventions t The Macmillan 



Co., New York City. Chap. 12. 

 Doubleday, Stories of Inventors, Doubleday Page Co., New 



York City. Pages 67-85. 

 Harper's Machinery Book for Boys, Harper Bros., New York 



City. Chap. 18. 

 Holland, Historic Inventions, G. W. Jacobs Co., Philadelphia. 



Chap. 16. 

 Maule, Boys' Book of New . Inventions, Grosset and Dunlap, 



New York City. Chap. 10. 

 Williams, How It Works, T. Nelson and Sons, New York City. 



Chap. 4. 



