All Aboard!: Elijah McCoy’s Steam Engine

All Aboard!: Elijah McCoy’s Steam Engine
定價:278
NT $ 278
 

內容簡介

Highlights the life and accomplishments of the Canadian-born black American who developed an oil cup that allowed train engines to be oiled while the train was running, as well as many other inventions.
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  1. 新書
    $278