coffee machines - Though coffee machines have changed significantly over the years they all essentially do the exact same thing - namely attempt to create a fine appetizing hot drinks for us to consume.

The primary coffee machines utilised a simple process of putting the ground or roasted coffee beans in a pan of hot water, covering it with a lid so the infusion might be activated. The key design of the machines was to trap the coffee grounds in the pot so that they weren't poured into the cup and got caught in the pot.