What could that be? This
curious object looks like it is made out of silver or stainless steel.
It reminds me of an exhaust of some sort.
I would appreciate suggestions for explanations...
Update: I got very interesting input from reader Holger Isenberg who writes:
"It could be a reconstruction of resonance jet engine. Those are
available with uncontrolled valves or valve free. See here: http://www.aardvark.co.nz/pjet/ http://en.wikipedia.org/wiki/Pulse_jet
Exactly this type of engine would be built by engineers who stranded on
a planet with a lot of knowledge but little equipment. Or human
astronauts who survived a catastrophy and return back to earth after a
few years from a space station. I would build something like this even
if I couldn't return to where I came from with it, just because I could
impress the locals with noise and the fire it could produce. :-)"
Update: In 2009 my wife and I were able to find
more of those curious objects in a lesser known museum in Lima.