Philip B. Downing History - 搜索图片

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Celebrating National Inventors' Day - New Horizon Academy
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Who Was Philip B. Downing? – SwansNature
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Philip B. Downing: Mailbox Inventor | Bla…
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kids.kiddle.co
Philip B. Downing Facts for Kids
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youtube.com > AGGRESSIVE INTELLIGENCE
Philip B. Downing - The Man Who Invented the Improved Mailbox and Secured FIVE US Patents!
YouTube · AGGRESSIVE INTELLIGENCE · 3402 次播放 · 2023年2月2日

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youtube.com > NikkiTrue Topics
The Phillip B. Downing Story
YouTube · NikkiTrue Topics · 907 次播放 · 2022年6月24日
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Inventor Philip Downing | History quotes, Black …
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28 Days of Little Known Facts About Black A…
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Philip Bell Downing: Black Creativity Seen in Everyday Objects | Post Ne…
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Granville Woods | The Black Inventor Onlin…

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Philip B. Downing - Black History is American History
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The Devil’s Punchbowl
Black ThenToday in 1891, Black Inventor Philip Downing Patented the First Version of Today'…
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youtube.com > STM Daily News
Moment in History Phillip B Downing
YouTube · STM Daily News · 2296 次播放 · 2021年2月4日
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Downing, Philip B. (1857-1934) | The Black Past…

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Did you know an African American ma…
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#shorts We Did That! - Philip B Downing - YouTube
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Find a Grave
Philip Downing (1871-1961) - Find a Grave Memorial
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sandraappiah
Philip Downing invented the modern-day letterbox - Face2Face Africa

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YouTube > WadiVibe
Philip B. Downing
YouTube · WadiVibe · 5645 次播放 · 2017年2月8日
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thewestsidegazette.com
Philip Bell Downing - The Westside Gazette
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Phillip B Downing inventor of the Mailbo…
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In 1891, if you had to mail a letter you'd have to make the trip to t…
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YouTube > Beta Lisolo
African American Inventor | Philip B Downing - Mailbox (Part 2)
YouTube · Beta Lisolo · 2527 次播放 · 2019年8月22日
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PPT - Black Inventors PowerPoint Presentation - ID:1779635
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jaxsocnmckay.blogspot.com
Philip B Downing Who Invented The Mailbox : Philip B Downin…

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alchetron.com
Philip B. Downing - Alchetron, The Free Social Encyclopedia
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Black History Heroes on Twitter: "Black invent…
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lasentinel.net
This Week in Black History (August 20) - …

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