The name ''E61'' comes from the

Faema FAEMA (Italian acronym: Fabbrica Apparecchiature Elettromeccaniche e Affini) primarily engaged in the production of espresso machines, was founded in 1945 by Carlo Ernesto Valente, in Milan, Italy. Faema was to become synonymous with the post ...

E61 espresso machine, which was named for the

solar eclipse A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of the Earth, totally or partially. Such an alignment occurs during an eclipse season, approximately every six month ...

in its year of introduction, 1961. This technology was developed and patented by Faema in 1961 and revolutionized the espresso machine market, ultimately establishing them as a pioneering force within the industry. E61 is a registered Trademark of Gruppo Cimbali S.p.A.

References

Espresso machines Faema {{Coffee-stub