Richard Lahrson (tripspud@hooked.net)
Mon, 07 Jun 1999 20:46:57 -0700
Richard Sullivan wrote:
> 
> Bob's asking for specifics is the kicker. Just because someone does some
> uranium printing or uses X-rays and later dies of cancer does not
> necessarily show causation. Someone who is doing Daguerrotypes and later
> dies of mercury poisoning is showing probable causation.
Greetings!
     Is not true that mercury poisoning was not understood when Dauerrotypes
were popular (1840 to 1855)?  
                                Thanks!
                                                Rich Lahrson
                                                tripspud@hooked.net
This archive was generated by hypermail 2.0b3 on Thu Oct 28 1999 - 21:39:37