I bought one of these recently for $23 .
YouTube - Swiss Army Storm Cooker META 50
It's called the Meta 50 and was supplied to the Swiss military .
Originally designed for burning esbit ,it can easily accomodate a Trangia/Svea methanol burner and a simmer ring .
Apparently Meta brought this out years ahead of Trangia and it is supposed to be more efficient than the Trangia because the sloping sides of the pots give a larger surface area for the absorption of heat from the flame .
It works very well and you can raise or lower the burner by either, placing it on the ground ,or by putting it on top of the lower windshield .A simmer ring ,either from Trangia or homemade from a small can provides the heat control.
Simple ,cheap and no moving parts to go wrong !
Blessed are the cracked, for they let in the light. - Spike Milligan
"When you come to a fork in the road ,take it ! When you come to a spoon in the road ,take that also ."