Goodyear says 1839.
http://en.wikipedia.org/wiki/Vulcanization#Overview_and_history
Charles Goodyear is known for inventing the vulcanization of rubber.
vulcanization process of rubber and vulcanization process of rubber.
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the Goodyear brothers invented vulcanization of rubber.
It is Charles Goodyear.
Charles Goodyear is known for inventing the vulcanization of rubber.
Charles Goodyear is credited with the invention of vulcanization of rubber. Benjamin Franklin is credited with the invention of bifocal glasses.
Charles Goodyear discovered the rubber vulcanization process in 1839. It is then when he produced the first tire.
what tuby if Q is that what tuby if Q is that
vulcanization
Vulcanization.
August 10, 1915