I've got an idea!

By Gloria Borseth Swanson

Subjects: Juvenile literature, Biography, African americans, biography, African Americans, African American inventors, Athletes, juvenile literature, Athletes, Blacks, biography, Blacks, Inventors, African american inventors

Description: A biography of the black engineer and inventor credited with many inventions, including refrigeration units for trucks and railroad cars, portable X-ray units, and the ticket dispenser.