The 



Demonstration Work 



Dr. Seaman A. Knapp's 

 Contribution to Civilization 



By 



O. B. MARTIN 



FORMER STATE SUPERINTENDENT OF EDUCATION OF 

 SOUTH CAROLINA, SPECIAL AGENT, UNITED STATES 

 DEPARTMENT OF AGRICULTURE AND ASSOCIATE OF DR. 

 KNAPP IN THE DEMONSTRATION WORK. 



1921 



THE STRATFORD CO., Publishers 



BOSTON 



