Fazekas Éva: A fekete leves, a kávéfőzés története, időszaki kiállítás, 2010. április 23 - 2010. október 25, a Magyar Kereskedelmi és Vendéglátóipari Múzeum, a Magyar Műszaki és Közlekedési Múzeum és a Fazekas & Kimmel Gyűjtemény közös időszaki kiállítása (Budapest, Magyar Kereskedelmi és Vendéglátóipari Múzeum, 2010)

Éva Vámos: STEAM, WATER, VACUUM

described. In their improved shapes the upper vessel is closed, too. The end of coffee-making is indicated by the whistling sound given by the outlet tube with a rubber valve on the lower vessel. Such apparatuses operating with pressure have been, and are still manufactured of metal, as a rule of aluminium. The lower part is the water space, above it the coffee is placed in a filter cup. On top a metal dome closes the device, the bridle mounted on the cylindrical part fixes the lid by means of a screw. In the lower part of the cylinder an electric heating spiral is placed. This heats the water, which is squeezed by pressure through the filter cup, thus the coffee is extracted. The dome is equipped with an outlet tube, through which the ready coffee drink is removed by pressure. The device also has a variant applicable to a gas flame. Stella és Velox kávéfőzők, F&K gyűjtemény Stella and Velox machines, F&K collection Elektromos perkolátorok 1930-1960-as évek, F&K gyűjtemény Electric percolator, 1930-1960, F&K collection The "Kotyogó" {"Cluck") - Central Europe's most widespread coffee machine In the "Cluck" type coffee machines water is in the lower part, in the middle there is a container with a filter for the coffee, the steam formed and its overpressure squeeze the water - through the ground coffee - to the upper part, extracting from it the active principle (caffeine) and the flavour substances. With these coffee machines coffee need not be milled so finely as with a number of other types. The machine obtained its name used only in Hungary from the weight in the tube, which is lifted by the 102