Espresso Machines - Which One is Right For You? Most people imagine this when they think of an espresso machine. They are pump-driven machines that give the user the control over grinding, tamping and extraction time. Luigi Bezzera and Desiderio Pavoni patented several improvements to this design such as the https://coffeeeuk99686.articlesblogger.com/52845842/20-fun-facts-about-best-home-espresso-machine