Espresso Machines - Which One is Right For You? This is what most people imagine 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 https://coffeeeuk06401.imblogs.net/79582418/it-s-a-espresso-machine-sale-success-story-you-ll-never-believe