Espresso Machines - Which One is Right For You? Most people imagine this when they think of an espresso machine. They are pumps-driven machines that allow the user to have the ability to control grinding, tamping, and extraction time. Luigi Bezzera and Desiderio Pavoni developed several improvements to this design https://coffeeeuk70400.blogprodesign.com/51772143/espresso-machine-sale-explained-in-fewer-than-140-characters