Atomizer what is it. Basically it is just two pipes welded together at 90 degree angles. The feed or input line has a the top of the pipe cut at and angle so the water or other substance has to flow around one half of the pipe thus creating a vacuum much like the lift on and airplane. it creates the reduced plashing when you turn on the kitchen flasket by drawing air into the water. Most likely the first well know uses was the sprayer on perfume bottles. I have draw a simple drawing of the insides but I am sure it will not win any prizes bad drawing

 I set up this test jig it is hard to see from the picture but on the bottom of the jig I have a jug of water from the water to the top most tree branch there is a clear plastic tube that loop over the branch down to the atomizer in this way by knowing the weight of water I can measure the vacuum the atomizer creates by measuring how far the water is drawn up the tube. I suppose a vacuum gauge would work just as well but I did not have one.

 This is the end of the tube where the atomizer is attached when turned in the water causes a vacuum which pulls the water up the tube over the branch and down into the atomizer a span of greater then 12 feet. It would draw more of a vacuum if more water presser was applied. The tree is maple I believe if you where wondering.

 Here is a close-up view of the atomizer with the water line attached. I used a wash machine water line to adapt it to the garden hose. The main line is one quarter inch steel break line. The feed tube is a three sixteenth steel break line that I purchased form my local auto parts store. copper tubing would probably bin better in the sense that it much more resistive to the effects of water but I all ready had the steel tubing.