Re: Thorium gas mantles

[Peter Fundarek <p.fundarek@utoronto.ca>]

>  Can anyone answer these questions:
> 
>  (1) Have all manufacturers of gas mantles stopped using 
thorium?


No they have not all stopped using thorium.  I have been 
able to recently find several mantles that were quite 
radioactive.  Most of the ones other than Coleman brand up 
here in the great white north were found to be radioactive.


Sorry,  but can't help with the rest of your questions.

*************************************
Regards,
Peter J. Fundarek
University of Toronto
email:  p.fundarek@utoronto.ca
phone:  (416) 978-2374
fax:  (416) 971-1384
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