Espresso Machines - Which One is Right For You? This is what the majority of people think of when they imagine an espresso machine. They are pumps-driven espresso machines that allow the user to control the grinding, tamping, and extraction time. Luigi Bezzera, Desiderio Pavoni and others developed patent-pending improvements https://www-coffeee-uk51249.luwebs.com/30373096/the-ultimate-glossary-of-terms-about-espresso-machine-sale