The Hydraulic Dilemma: Lever vs. Semi-Automatic Espresso Machines
In the high-stakes world of espresso engineering, there are two primary architectures for delivering the 9 bars of pressure required for extraction: the Manual Lever and the Semi-Automatic Pump. While mass-market consumerism has pushed the pump-driven semi-automatic into every kitchen, the “Scholar” of espresso understands that the choice between them is a choice between two […]
