So he can have a steel boner
what year did andrew carnegie start inventing
Andrew Carnegie was buried in Sleepy Hollow Cemetary in Tarytown, New York The question is where was he BORN? Andrew Carnegie was born in Dunfermline, Scotland. http://www.spartacus.schoolnet.co.uk/USAcarnegie.htm
John Deere did not invent the first cast steel pot. You may wish to re examine what your question really is.
1837 and by 1855 his factory had sold over 10,000 plows per year
John Deere invented the polished steel plow in 1837 out of a broken sawmill blade.
what year did Granville T. Woods invent the transmitter
The Greeks did not invent pizza.