Related Tags: When you think of the North Pole some images that probably come to mind besides santa, elves and reindeer are snow and cold and more snow. To shed some light on the real North Pole Earth Gauge compiled so data on the common myths about this polar region.
A distinction must be made between the chemical process of percolation and the coffee percolator as a device. In 1880, Hanson Goodrich invented the coffee percolator. His percolator was one of the earliest coffee brewing devices to use percolation rather than infusion or decoction as its mode of extraction, and he named it accordingly.
It wasn't until after World War II that the first machine to surpass the two-bar brewing barrier was invented. Milanese cafÃ© owner Achille Gaggiaâcredited with the birth of modern espressoâincreased the water pressure from 1.5-2 bars to 8-10 bars through the use of a lever, and standardized the size of the espresso. The next big revolution in espresso came in the 1960's, with the invention of the motorized pump. The E61 machine by Ernesto Valentean was an immediate success and is rightly included in the pantheon of the most influential coffee machines of history.. It's a great read if you love nitty-gritty historical details!