> And my generation (uphill both was, snow, cardboard box, ...) grew up
> with kerosene wick heaters which were often turned down low in off
> peak periods and even overnight.[[Maybe that explains some things ...
> :-) ]].
>
> Carbon Monoxide is generated by incomplete combustion - lack of
> Oxygen. I'd suggest that in almost every case where fuel rather than
> oxygen was limited to control combustion rate that CO2 would form.
> 'Smouldering' is the enemy. Egven a kerosene wick heater turned VERY
> low never gave us obvious problems. Marginal CO poisoning reportedly
> leads to very bad headaches. Something we never experienced fwiw.

A goodly few years ago my father was involved with a ski trip for the young 
people in the church. They went to a camp that had a number of cabins 
suitable for housing the relevant young'uns, and took along a couple of 
kerosene wick heaters similar to what Russell described in his piece. 
Sometime in the evening Dad realised that one of the heaters had gone from 
its allocated place, and he located it in a cabin with a couple of young 
lads, who were by this time asleep. He described the cabin as being in 
'something of a fug', removed the heater and left the door open for a time. 
In the morning the two lads were wandering around complaining of severe 
headaches. Dad always felt they had been extremely lucky after that that 
they hadn't had a couple of casualties on their hands from CO poisoning. 

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