Last decisive
invention to try to get the best coffee, was the development of an italian idea
from 1936, improved and produced on a large scale since 1946: the " Piston Pressure “. A piston forced by a
spring push the water through the coffee ground very thin, at pressure of nine
bars. So the “espresso” we all know is obtained, as well called "Crema Caffè".
Lever machine, direct piston without spring, model "Caravel" produced by VAM (Vetraria Ambrosiana Milano) in the late '50s.
Lever machine, direct piston without spring, model "Caravel" produced by VAM (Vetraria Ambrosiana Milano) in the late '50s.