Benefits of an Espresso Machine In an espresso machine hot water is forced under high pressure through finely ground coffee beans. This results in a smooth and rich drink, known as espresso. The first espresso machines were steam powered. These machines utilize a single boiler to make several drinks simultaneously. https://www-coffeee-uk21787.blogminds.com/a-brief-history-of-buy-espresso-machine-history-of-buy-espresso-machine-27468697