Lead Chamber Process, Spinning Jenny, Wigs, Watt Steam Engine

John Roebuck was educated in Scottland. John Roebuck invented the lead chamber process for making sulfuric acid. Coal mining prompted John Roebuck to find better steam engines.

James Hargrave was born in 1721 in England. Weaving was a family business. James Hargrave's sister knocked down his family's spinning wheel and he noticed that the spinning wheel could still spin on its side, and that's when he got the idea of the Spinning Jenny.

t was born in 1732 in England. In the old days, men wore long white wigs. Richard Arkwright invented a waterproof gel that they could put on wigs.

James Watt had a friend that introduced him to the power of steam in 1759. He improved the steam engine in 1776. His improved steam engine led to the invention of the locomotive.