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I took this at my house. My inspiration is that they are cool when you turn them on. The trick i used to to go to the side
There is a lot of ultra-fine dust in the user-accessible cavity. Why not take the opportunity to clean the inside?
Very, very, rough vacuum chamber under construction. For the threaded attachment, I welded a pipe fitting in place over a hole I punched with the oxy-acetylene torch. The pipe is welded onto a piece of flat steel. We have had difficulty geting it to seal, as the pipe is not flat on top. I am milling it to correct this.
Making coffee with the vacuum coffee pot is fun to watch.
The bottom pot is filled with water and the top pot has the coffee grounds. As the water heats to boiling temperature it is syphoned up into the top pot where the coffee "brews". Depending on how fine your grind is determines how long you let the coffee brew. After you take the pot off the heat source the water cools slightly and a vacuum is formed which draws the water back down into the first pot. There is a plastic wedge filter which keeps the grounds in the top pot so you just take the top pot off and the bottom pot has the freshly brewed coffee.
This method of brewing is very similar to the french press because it allows retention of all the oils and some sediment which gives the coffee a robust flavor.
Although this method provides a good cup of coffee it is not practical to do daily because the parts are delicate and difficult to clean.
If you need a vacuum this is the place to go. A guy nearby was selling a whole bunch of them in front of his house.
8/19/2007
Picture Of The Day #333
It's time to check the bag on the vacuum. I make sure there's a spare bag before tearing into the vacuum's dusty entrails.
The biggest advantage of using a vacuum tube hoist: fast operation speed-the vacuum energy is stored in the vacuum accumulator, it can be transferred to the suction cup within one second and sucked instantly; the vacuum in the suction cup can be returned to within two seconds One atmosphere of pressure is released instantly.
From one of the "Golden Classics" record sleeves coughed up by our magical attic, I cut cardboard rondels to hold the undersized filter in place.
Vacuum science demo: A young visitor crushes a soda can by pumping air out of it. (SLAC National Accelerator Laboratory)
My little man LOVES to vacuum and he doesn't want help. Even though the vacuum is bigger than he is. He will actually pitch a fit when we are done.
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