Elaine Bernard Coffee Maker January 20, 2019 13:44:17
A vacuum maker brews coffee using two chambers where vapor pressure and vacuum produce brew which is clean rich and smooth compared to other brewing methods. This type of maker is also known as vac pot siphon or syphon coffee maker and was invented by Loeff of Berlin in the 1830s. These types of makers have been used for more than a century in many parts of the world. The chamber material can be pyrex metal or plastic and the filter can either be a glass rod or a screen from cloth paper or nylon. The Napier Vacuum Machine presented in 1840 was an early example of this technique. While vacuum makers are generally to complex for everyday use they were prized for producing a clear brew and were quite popular until the middle of the twentieth century.
The French press also known as a press pot coffee press coffee plunger or cafetière is a brewing device popularized by the French. Its operation is simple and can produce a stronger pot of coffee than some other types of java makers. The press pot consists of a narrow cylindrical container usually made of glass or clear plastic equipped with a lid and a "plunger" also made of metal or plastic which fits tightly in the cylinder and which has a fine wire or nylon mesh acting as a filter which can be cleaned and reused.