The history of espresso machine began in 1901, when an engineer from Milan, Luigi Bezzera, patented the first monumental espresso machine, the basis for today’s machines, which sublimate the soluble part of the roasted grain into a strong, dark hot drink and the inner part into a short-lasting golden disc, called ‘cream’. Desiderio Pavoni purchased […]
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Grinding is an important stage. There are two types of commercial grinding-dosing units: • flat grinders are the most common and, as their name suggests, they have flat grinding blades rotating at 1400 rpm. They need to be checked every 300 kg coffee; • conical grinders with blades rotating at 4/500 rpm (much more expensive). […]
Traditionally, the secret behind fine espresso coffee can be summed up in 5 rules: coffee-making machine, grinding-dosing unit, skill, maintenance and – naturally – a good blend. Obviously, these rules involve a great deal of work. Let’s try to list some of them, well aware in any case that coffee-making skills largely depend on direct […]