Introduction: The air brake was invented in 1869 by a 23-year-old man named George Westinghouse. It is still used today in public transport to transport people safely. This essay will outline the need and demand of air brake, the originality, the use of air brake and the changes it has brought to business and society. This clever invention was the most beneficial invention of the Industrial Revolution because it provided a safer way to stop transportation. Body 1: The Industrial Revolution saw the arrival of steam engines which started transportation such as steam trains. Trains were used extensively for many different purposes, such as transporting goods and transporting people. This meant they had to be able to operate safely. Before the advent of air brakes, there was a manual operation for braking where a brakeman had to apply a hand brake to stop a moving train. The reasons for the demand for the air brake were economical and safer. Economical because there was no need for brakes. They were safer due to the easy operation of gears, levers and brake fluid. George Westinghouse made t...