On Aug 20, 2013, at 6:44 AM, <mark@xxxxxxxxxxxxxxxxxx> wrote: > One more thing. E6 wasn't available to the public till around the mid 70s so > it pretty much pegs the date between 75 and 85 give or take a few. Not sure > what that means other than its not likely I took them. Making me feel old. I worked in a custom lab in Oakland in the mid 70s and E-6 was the new thing. I was still running E-3 quite a bit and still have my old smith victor reflector I used on the light used I for the re exposure. Also ran a bit of C-22 in the day. Doesn't seem that long ago but.. life happens. Dennis