1 Lead Chamber Process : John Roebuck went to med school in Edinburgh, Scotland. He was taught by William Collen. He graduated and set up practice in Birmingham, but continued nourishing his interests in chemistry. He invented the lead chamber process in 1746. It increased the production of sulfuric acid production greatly.
2 The Spinning Jenny : London Society of Arts noticed the weaving industry issues. They offered cash prizes for new spinning inventions. James Hargreaves was born in 1721 in England and was a weaver. He had a flash of insight that led to the creation of the Spinning Jenny. It could spin up to a hundred threads at once.
3 Richard Arkwright : He was born in 1732 in England. He apprenticed as a barber and later turned his sorrow into ambition. He turned to wig making 7050s, and invented waterproof wig dye.
4 James Watt : In 1759, a friend introduced him to steam power. He developed his condenser around 1763. He improved the steam engine greatly, and invented the sun and planet gear to get around a crank-connecting rod patient. In 1780, he invented a new way of copying documents.