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Beer engine handles on a bar. A beer engine is a device for pumping beer from a cask, usually located in a pub's cellar.. The beer engine was invented by John Lofting, a Dutch inventor, merchant and manufacturer who moved from Amsterdam to London in about 1688 and patented a number of inventions including a fire hose and engine for extinguishing fires and a thimble knurling machine.
When the cask is stored in the cellar and served from the bar, as in most pubs, the beer line is screwed onto the tap and the beer is pulled through it by a beer engine. The taps used are the same, and in beer-line setups the first pint is often poured from the cask as for "gravity", for tasting, before the line is connected.
There are two different types of tapping equipment that are available for kegs. A "party tap" or "picnic tap" is a hand-operated pump that utilizes outside air, thus introducing oxygen and bacteria into the keg. This causes the beer to oxidize, affecting the taste; the partial pressure of CO 2 will also decrease, causing the beer to go flat ...
Two examples are Miller Genuine Draft, a pale lager which is produced using a cold filtering system, and Guinness stout in patented "Draught-flow" cans and bottles. Guinness is an example of beers that use a nitrogen widget to create a smooth beer with a dense head .
Each condition featured "a 48-hour washout," as sleep was assessed with "in-home partial polysomnography" — or a sleep-monitoring device — and "sleep diaries."
The incident began when Hunter Jr. approached Pasco and Pugh while they were sitting idle in their vehicle at a street corner in Stotts City, according to local outlet KOLR 10.
The beer engine (a simple lift-pump), a device for manually pumping beer from a container in a pub's basement or cellar, was invented by Joseph Bramah in 1797. The bar-mounted pump handle, with its changeable pump clip indicating the beer on offer remains a familiar and characteristic sight in most English pubs.
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