Half a croissant, on a plate, with a sign in front of it saying '50c'
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Madgcuppia Teaspresso

A steam driven tea machine
 
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This portable tea machine can be used on everyday kitchen countertops or wheeled around in factories.

It has your basic design for delivering bulk hot beverages, namely a steam generator, a raw ingredient bin and a waste bin. Except in this case there are two raw material bins to give customers the choice of Tetley or PG.

The operator of the tea trolley (the Madgista), sticks the brass measure into the drawer of choice and after putting her cig down for a second crams several teabags into the brass cup. This is then inserted and locked under the steam jet and the tea is given a full 30 second blast. The careful heatsinking ensures the tea temperature varies between 92 and 99 C during the blast.

The resulting teaspresso can be served in a mug with foamed milk and 5 sugars.

bigsleep, Oct 18 2017

Self-propelled tea maker https://en.wikipedi..._(steam_locomotive)
Prior Art. Boiling water and/or steam always on tap. [8th of 7, Oct 19 2017]

[link]






       So, a smaller version of <link> ?
8th of 7, Oct 18 2017
  

       I have an idea that this was pre-emptively illustrated by Nicholas Bentley, son of the inventor of clerihews. If not, then it should have been.
pertinax, Oct 19 2017
  

       //This is then inserted and locked under the steam jet ...varies between 92 and 99 C //   

       How do you get steam at 92-99°C? Is this device intended for high-altitude use?
MaxwellBuchanan, Oct 19 2017
  

       Well, clearly - climbing a mountain, or relaxing on a long flight are the occasions when you most want a cup of tea.
hippo, Oct 19 2017
  

       Not a problem with a steam locomotive; many have vacuum pumps (ejectors) to operate the brakes.   

       So providing a low-pressure chamber into which temperature- controlled hot water can be injected would be easy.   

       With the added advantage of being able to fry, grill or roast food in the firebox, as well as making toast, the classic steam locomotive is the kitchen accessory no cook should be without.   

       Where there are no rail lines, traction engines could be used.
8th of 7, Oct 19 2017
  

       Tea with milk simply sounds strange, which in itself seems strange since we bastardized coffee twelve ways from sideways.
RayfordSteele, Oct 19 2017
  

       //How do you get steam at 92-99°C?//   

       You don't. You get hot water where it meets a lot of metal and tea and the steam pressure behind it drives the water through the tea, just like with a regular espresso machine.   

       //Tea with milk simply sounds strange//   

       Its a different beast. The origins of milky tea are probably from the Indian Chai Tea which has milk, sugar and spices. I'm guessing it was invented as a liquid food by the British (the WP article is a bit sketchy).   

       Surprisingly you can get something along the lines of Chai Tea at US coffee houses under the name Chai Latte.
bigsleep, Oct 19 2017
  

       // You don't. //   

       Yes, you do.   

       Steam is water in its gaseous form. The temperature at which it is a stable gas in equilibrium with liquid is dependant on pressure. Therefore, at lower pressure, water will transition from liquid to gas at a lower temperature.   

       At altitude, water boils at a lower temperature. Food takes longer to cook because the boiling water is less energetic.   

       It is possible to have gaseous water in space even at very low temperatures; ice will slowly sublime away into gas, without ever passing through a liquid phase.
8th of 7, Oct 19 2017
  

       Yes, but when you lift up your visor to drink the tea it all goes wrong.
MaxwellBuchanan, Oct 19 2017
  
      
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