Espresso Machines - Which One is Right For You? It is what most people think of when they envision an espresso machine. They are pump-driven machines that give the user the ability to control grinding, tamping, and extraction time. Luigi Bezzera and Desiderio Pavoni developed several improvements to this design, https://www-coffeee-uk21787.blogminds.com/20-resources-to-make-you-more-efficient-at-best-home-espresso-machine-27468556