Espresso Machines - Which One is Right For You? It is what most people think of when they imagine 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 invented several improvements to this design that https://www-coffeee-uk74868.blue-blogs.com/36466609/the-most-common-espresso-coffee-maker-mistake-every-beginner-makes