Always Inventing 在線電子書 圖書標籤:
發表於2024-11-24
Always Inventing 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
Period photographs as well as pages from Bell's original notebooks help paint a vivid portrait of the man who -- from his first invention at age 11 (a tool to clean husks from wheat kernels) to his patent on hydrofoil improvements 64 years later -- was always inventing.
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Always Inventing 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024