Coffee decant poured in a bowl Vacuum coffee brewer; a Bodum vacuum brewer in which the coffee is drawn back by pressure differential. Other coffee brewing devices became popular throughout the nineteenth century, including various machines using the vacuum principle. The Napier Vacuum Machine, invented in , was an early example of this type. While generally too complex for everyday use, vacuum devices were prized for producing a clear brew, and were popular up until the middle of the twentieth century. The principle of a vacuum brewer was to heat water in a lower vessel until expansion forced the contents through a narrow tube into an upper vessel containing ground coffee.
Glass Wonderful way to keep your coffee or tea pot warm when not near electricity. Uses votives, if put in a votive holder, or tea lights. In great vintage condition. No damage to the glass. Please look at all photos carefully as they are considered part of the description.