My sister sent me these stovetop "espresso" makers. The Atomic isn't as vintage as it looks - she thinks she or her husband got it in San Francisco in the 70's. Apparently the brown color is rare. It seems a heavier gauge than the older unpainted ones. It has the Brevetti Made in Italy logo while I think most of the painted ones have a logo from the U.S. distributer in SF, so this must have come early on when they were just importing the Italian-made models.
Earlier models were left unpainted and laboriously hand-polished. Just painting the rough casting I'm sure was a big cost savings in manufacture!
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I don't know anything about the second one. It's a very interesting design. It has an "upside down" portafilter. The water is forced UP through the filter!
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I haven't used either one. They both look like a bad accident waiting to happen.These two are for looking-at, not for making coffee, I think.
My "daily driver" is an Elektra Micro Casa a Leva.
Actually, I'd imagine that they would and could work very well, if you could find someone to show you how they work and take you step by step through the process.
They look sturdy and solidly made, and I expect can do what they are designed to do very well; I have an old Bialetti Moka pot which works perfectly.