JOHN DEERe was working in a saw mill, when the saw broke. He asked if he could keep the broken saw. He found out that the secret to a steel plow is the many thin layers that made up that saw.
John deere invented the steel plow in 1837
He invented the steel plow in 1837.
According to the About.com website (refer to the link, below), John Deer invented the steel plow in 1837.
A man named John Deere invented the steel-tipped plow in 1837.
1837
The steel plow
John Deere invented the steel toothed plow in 1837. It worked better than any previously created plow, and revolutionized farming.
In 1837 John Deere a blacksmith made a plow out of a steel saw blade
John Deere invented the steel (all by himself)
John Deere
John Deere
Mike Hunt