Vacuum coffee maker - Wikipedia, the free encyclopedia
Coffee preparation - Wikipedia
The first automatic drip-style coffee maker was called the 'Wigomat' named after it's inventor Gottlob Widmann (?-1948). It was patented in Germany in 1954. The Wigomat was advertised as having a superior
Espresso machine - Wikipedia
File:Simple vacuum coffee pot in Brazil (DSC 0005).jpg - Wikimedia Commons