Espresso Machines - Which One is Right For You? Most people envision this when they think of an espresso machine. These are machines driven by pumps which allow the user to manage the grinding, tamping, and extraction times. Luigi Bezzera and Desiderio Pavoni developed several improvements to this design, including https://coffeee-uk05230.wssblogs.com/29820498/a-time-travelling-journey-what-people-discussed-about-espresso-machine-sale-20-years-ago