Benefits of an Espresso Machine In an espresso machine hot water is pushed under high pressure through finely ground coffee beans. This results in a smooth and rich drink, known as espresso. The first espresso machines were powered by steam. They use a single boiler to brew multiple drinks simultaneously. https://wwwcoffeeeuk95674.shotblogs.com/buy-espresso-machine-s-history-history-of-buy-espresso-machine-43845048