I just remember mention in stuff by people like Kerouac, Tom Waits & maybe
even Jack London
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I seem to recall my father used Sterno cans while out on maneuvers in
France and Germany during World War 2. You could heat one of those things in
a
fox hole and boil a cup of coffee in your canteen cup without drawing enemy
fire. It also helped against the cold in what became known as the Battle of
the Bulge, where he received a wound.