>We also had a catalytic heater in the early 70s.  Ours was a Coleman,
>round base, dome shaped top, with a wire "grill" covering the catalytic
>material, whatever it was.  Hard to light, but worked well.

We had one of these when I was a kid, so they did exist 30 years ago.

I don't recall it being hard to light, just dangerous!  You turned it upside down, covering the top with gasoline, then turned it upright and tossed a match on.  After about 10 minutes of shooting flames six feet in the air, it settled down into a dull glow and could the be taken inside.  Its no wonder they don't sell that version anymore!

Bill

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