to help economic structure it also contributed to the industrial revolution
He invented The hydrogen Balloon, http://www.biography.com/articles/Charles-Jacques-Alexandre-C%C3%A9sar-9244979
James Naysmith was a Scottish inventor who developed the Steam Hammer in 1838. He also developed a system of Reversible Rolling Mill without a flywheel for Steel Mills, as well as many other...
He invented the Aqua-Lung withe the help of Emile Gagnan. <http://www.notablebiographies.com/Co-Da/Cousteau-Jacques.html>
cellophane