On 1/15/2016 7:25 PM, gtr wrote:

> "The Stainless Steel Thermal Vacuum Cooking Pot is a non-electric
> appliance that slow cooks foods using the food's own heat. Just heat the
> inner cooking pan on the stove, then place the pan directly into the
> vacuum insulated outer container to complete cooking."
>
> Anybody heard of/used one of these things?
>
In the old days, they were called fireless cookers, or hay boxes.