9 African-American inventors Nine African-American inventors African-American inventors Hayden, Robert C. creator Loehle, Richard ill. text bibliography biography mdu Frederick, Md Twenty-First Century Books c1992 1992 monographic eng
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169 p. ill. 23 cm. Chronicles the achievements of nine Afro-Americans responsible for inventions related to important parts of modern life such as refrigeration, electric lighting, and transportation. juvenile Robert C. Hayden ; [portrait illustrations by Richard Loehle]. Includes index. n-us--- Afro-American inventors United States Biography Juvenile literature Afro-Americans Biography Inventors T39 .H39 1992 509.2/273 B Achievers--African American in science and technology Hayden, Robert C 0805021337 91044193 /AC DLC 911126 20160527181552.0 104059