Espresso Machines - Which One is Right For You? Most people imagine this when they think of an espresso machine. These are pumps-driven machines that give the user the ability to control grinding, tamping, and extraction time. Luigi Bezzera, Desiderio Pavoni and others developed patent-pending improvements to the design. They https://wwwcoffeeeuk73686.bloggazza.com/29133028/why-you-should-concentrate-on-improving-espresso-machine-sale