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Philip Downing
Philip Downing Philip Downing


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n 1891, anyone interested in mailing a letter would have to make the long trip to the post office. Philip Downing designed a metal box with four legs which he patented on October 27, 1891. He called his device a street letter box and it is the predecessor of today's mailbox. One year earlier, Downing patented an electrical switch for railroads which allowed railroad workers to supply or shut off power to trains at appropriate times. Based on this design, innovators would later create electrical switches such as light switches used in the home.


 
Philip Downing
Source: http://www.blackinventor.com/pages/philip-downing.html.
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Philip B. Downing
Black inventors Philip B. Downing.
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Vintage Black History Month Promo w/ Kenan and Kel | Philip Downing | The Splat
The Splat is celebrating Black History Month with Kenan Thompson and Kel Mitchell. Come inside the Black Innovators Hall of Fame and learn more about Philip ...
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Great Inventors: Phillip B Downing
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Subscribe to our channel: http://bit.ly/1lvCFSi Follow us on our social media platforms: Facebook ...
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Things You Wouldn’t Have If Black People Didn’t Invent Them
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Philip Downing from TIGI Haircare showcases looks from their Academy Collection 2015
Philip Downing, UK Creative Director for TIGI Haircare showcases some fantastic looks from their Academy Collection 2015. He shares his styling tips and ...
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This one's for you, Guy.
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Paul Downing - Thats How It Starts
Paul Downing - That's How It Starts. Paul Downing - Vocals, bass, guitars, piano. Marc Parnell - Drums. Mixed by - Luke Buttery. Mastered by - Mandy Parnell.
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Philip Downing is an inventor who lived during the late 19th century. His biggest invention is when he designed and patented the letter box also known as the ...
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HÁRVÖRUR.IS | Hársýning TIGI Pro » Viðtal við Philip Downing frá TIGI
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Behind the Scenes at Cloud 10 Beauty Event with Caroline Hirons, Sinead Cady & Philip Downing
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Ein exklusiver Einblick hinter die Kulissen des TIGI International Creative Teams. Es stellt sich vor: Phil Downing, Academy Director. Philip Downing gehörte ...
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