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Re: Big B&W Film

  • From: ME Tyler <MTyler@xxxxxxxxxx>
  • Subject: Re: Big B&W Film
  • Date: Thu, 08 Oct 1998 14:01:07 -0700
Be warned that black ABS drain pipe (even the thick kind)
passes some "Light". I guess that it is UV since it exposes
the blue layer on some positive acting color paper. (I did
this trick about 25 years ago).
 I bet the tube trick would work for slow B&W materials in a
"darkened" room, but watch out for too much TIME in the
light.
:*)
Marshall

BartN51729@xxxxxxx wrote:
> 
> Since the deep tank process is an in the dark process anyway, why not just use
> vertical five foot long sections of black ABS pipe with a cap on the bottom
> end. Six inch or one foot diameter would be ample for several rolls at one
> time.
> Bart Nadeau

-- 
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    |       Marshall E. Tyler, CRA, FOPS         
    |  MailTo:MTyler@xxxxxxxxxx  http://www.wfubmc.edu/eye  
    |  Ophthalmic Photography: Saine & Tyler 
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    |     Wake Forest University Eye Center      
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