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Samuel Kim

on 6 June 2011

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The Invention of
the Cast-Steel Plow A Presentation Created By Samuel Kim THANK YOU FOR WATCHING and
I HOPE YOU ENJOYED IT! Sources http://www.engineeringsights.org/SightDetail.asp?Sightid=608&id=&view=k&name=&page=9&image=0 http://en.wikipedia.org/wiki/John_Deere http://en.wikipedia.org/wiki/Plough http://web.mit.edu/invent/iow/deere.html http://www.invent.org/hall_of_fame/39.html (Actually Plow Tools) What And How
Other Plow Tools Helped To Invent
the Cast-Steel Plow WHAT!? HOW!? There were a lot(Hoes, scratch plows, crooked plows, etc.) The inventor, John Deere got inspired and used the same ideas as those plows, but invented one that was made of STEEL! Main ones: Rotherham and Scots Plow Others: mostly wooden and iron plows Who used Plows and
what did they need
that the cast-steel plow
just had to be invented? Who!? What did they need!? But the main question is: BUT.... Pioneer farmers who moved to the Midwest from the East A plow that didn't stick to the Midwest soil or needed constant cleaning What made it succeed? It was polished so smooth that damp earth wouldn't stick to it, making it less tiring for farmers to plow. The inventor, John Deere, kept improving his product as he found more ways it could work efficiently. IMPACTS #1 Plowing became easier because the steel plows were polished so smooth that damp soil could not stick to them, giving farmers less cleaning to do. #2 People could work the soil in areas that were considered unusable for farming. #3 Farmers could plow faster because they didn't need to stop every few feet to scrape wet soil off the plowshare(the cutting blade). Questions What is a plowshare?
What is one plow tool that helped to invent the cast steel plow?
Why couldn't damp soil stick to cast-steel plows?
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