Follows five inventors: Elijah "the real" McCoy, machinery oiling equipment; Madame C.J. Walker, hair products for black women; Granville Woods, electrical signal system for trains; Garrett Morgan, gas masks and traffic signals; and Jan Matzeliger, shoe last machinery.
Hello Reader K-3 Level 4: Great Black Heroes: Five Notable Inventors
- 作者： Hudson, Wade
- 出版社： Scholastic
- 出版日期： 1995-04-01
- ISBN碼： 9780590480338
- 編號： 11100620025
$ 123 元
原價 140
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$123