Espresso Machines - Which One is Right For You? This is what people think of when they imagine an espresso machine. These are pump-driven espresso machines which allow the user to control the grinding, tamping and extraction time. Luigi Bezzera, Desiderio Pavoni and others invented improvements to the design. These https://www.coffeee.uk/products/gaggia-deluxe-coffee-machine-1850-w-15-bar