Black inventors of America
By: McKinley Burt, Jr.
Publisher: National Bk. Co.
Published: 1969
Place of publication: Portland, OR
Language: eng
Number of pages: 143
Subjects: African American inventors -- Biography.; Inventions -- United States -- History -- 19th century.; Inventions -- United States -- History -- 20th century..
Genres: Biography.
Notes: Bibliography: p. [144].
Includes index.