The inventions of Eli Whitney: the cotton gin by Holly Cefrey
	List Price:   $19.95 Unit Price:   $15.96 You Save:   $3.99 (20%) ISBN-10:   0823964434 ISBN-13:   9780823964437 Publisher:   Rosen; PowerKids Press Category:   Biographies Pub. Date:   December 2005 Pages:   24 Format:   Library Binding Ages:   4 to 8
Description/Notes
Ag Biography Cotton Provides a biographical sketch of Eli Whitney and a description of his most famous invention, the cotton gin, which made the harvesting of cotton easier. Eli Whitney forever altered commercial manufacturing with not one but two inventions--the cotton gin and the mass production of interchangeable parts. Readers will learn how Whitney's mechanical aptitude changed farming in America. Interesting facts and clear, easy-to-read text make this title one that will keep readers turning the pages.