Espresso Machines - Which One is Right For You? Many people think of this when they think of an espresso machine. They are pumps-driven machines that allow the user to have the control over grinding, tamping and extraction time. Luigi Bezzera and Desiderio Pavoni developed several improvements to this design https://coffeee-uk32283.blogginaway.com/30349573/its-history-of-espresso-coffee-maker