Espresso Machines - Which One is Right For You? Most people envision 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 patented several improvements to this design such https://wwwcoffeeeuk94018.designi1.com/51654389/espresso-machine-sale-explained-in-fewer-than-140-characters