Manual Espresso Machine Diagram - How It Works & Key Components #3904956 (License: Personal Use)

This black-and-white line drawing depicts a classic manual espresso machine, featuring a lever-operated piston group head, a transparent water reservoir, a portafilter with double spouts, and a steam wand for milk frothing. The drip tray includes a perforated grid for spill containment, and a pressure gauge sits atop the boiler housing. The design emphasizes mechanical simplicity and user control over extraction variables.

Used on coffee education pages, product comparison guides, or DIY espresso tutorials; targets home baristas seeking to understand machine mechanics before purchasing or maintaining equipment.