Chris Stone (cstone05@sprynet.com)
Sun, 18 Apr 1999 20:19:11 -0400
Hmm, I've read of Newton's rings, but never expected to see them in the
flesh. Yes, I am sandwiching the film to make the interpositive. Do I need
to put some material between the sheets of film ... or is there something
else I should be doing? Much thanks.
-- Matthew Hoffman
-----Original Message-----
From: SCHRAMMR@WLSVAX.WVNET.EDU <SCHRAMMR@WLSVAX.WVNET.EDU>
To: alt-photo-process-l@sask.usask.ca <alt-photo-process-l@sask.usask.ca>
Date: Sunday, April 18, 1999 7:05 PM
Subject: Re: mysterious whorls
>The clue to your whorls might be in your statement that you were making
>enlarged negatives. Question: At any time during your process of making
>enlarged negs did you have two pieces of film in contact? If so, the
>whorls may be interference patterns, also known as Newton's rings.
>
>Bob Schramm
>
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