Hayden, Robert C. <br/><br/>
9 African-American inventors 
Robert C. Hayden ; [portrait illustrations by Richard Loehle]. 
 - Frederick, Md.  Twenty-First Century Books  c1992. 
 - 169 p.  ill.  23 cm. 
 - Achievers--African Americans in science and technology .
 - Hayden, Robert C.  Achievers--African American in science and technology. .
<br/><br/> Includes index. 
<br/><br/> Chronicles the achievements of nine Afro-Americans responsible for inventions related to important parts of modern life such as refrigeration, electric lighting, and transportation. 
<br/><br/><label>ISBN: </label>0805021337 
<br/><br/><label>LCCN: </label>91044193 /AC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Afro-American inventors.--Biography--Juvenile literature.--United States<br/>Afro-Americans--Biography.<br/>Inventors
<br/><br/><label>LC Class. No.: </label>T39  / .H39 1992 
<br/><br/><label>Dewey Class. No.: </label>509.2/273  B