What is AVS? AVS stands for Address Verification System, an added level of credit card security provided by credit card issuers to detect suspicious credit card usage. Simply put, itâs a way for business owners to check if the person presenting a credit card as payment for your merchandise or services is actually the authorized cardholder.
In 1712 Newcomen invented the world's first successful atmospheric steam engine. The engine pumped water using a vacuum created by condensed steam. It became an important method of draining water from deep mines and was therefore a vital component in the Industrial Revolution in Britain.
Newcomen Steam Engine. Doctor Robison, a student at the University, was friends with James Watt and hung around his shop. It was Robison who first intoduced James Watt to the concept of steam engines in 1759, and suggested that they could be used for the propulsion of carriages. James Watt built minature models using tin steam cylinders and pistons attached to driving wheels by a system of gears.