George Carruthers Invention When - 搜索图片

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George carruthers
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George Carruthers (1939- ) •
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Black Kudos • George Robert Carruthers George Robert...

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George R. Carruthers, who designed telescope used by astro…
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History Of George Carruthers, The Black Inventor Whose Camera Took The First …
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George Carruthers: African American Inventor
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youtube.com > Black History Rough Draft
African American Inventor Dr. George R. Carruthers
YouTube · Black History Rough Draft · 26 次播放 · 2022年12月13日

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Carruthers Geocorona Observatory

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