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Wilber 1 year ago
Wonderful! clapping
       
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Martin 1 year ago
Yay!
       
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Menaalmena 1 year ago
#7 she was Michael Nesmith's mom, he of The Monkees fame...
       
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Amos 1 year ago
heddy lamar was a spy!!! thats why she invented wireless stuff - actually nicola tesla was faster
       
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Calvin 1 year ago
“Hidden Figures” movie. A must watch.
       
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Margaret Knight Invented The Flat-Bottomed Paper Bag

Margaret Knight was an American inventor who is most known for the flat-bottomed paper bag. She was working in a paper bag company and there the workers had to glue envelope-style paper bags by hand. The process was inconvenient and took quite a long time. Also, the shape of the bags made packaging difficult. In addition to that, they were not sturdy enough. Thus she thought of the flat-bottomed paper bag. Not only that, she also created a machine that would fold the paper in a bag with a flat bottom and the whole process would be automatized. Knight patented her invention in 1879.

 

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Inventions That Were Made By Women, But Not Many People Know About Their Contributions
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