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Location: UFOUpDatesList.Com > 2007 > May > May 17

Re: Just A Few Roswell Questions - Shough

From: Martin Shough <parcellular.nul>
Date: Wed, 16 May 2007 22:17:12 +0100
Fwd Date: Thu, 17 May 2007 08:06:10 -0400
Subject: Re: Just A Few Roswell Questions - Shough


>From: Bob Shell <bob.nul>
>To: ufoupdates.nul
>Date: Wed, 16 May 2007 16:13:39 -0400
>Subject: Re: Just A Few Roswell Questions

>>From: Neil Morris <neil.nul>
>>To: ufoupdates.nul
>>Date: Wed, 16 May 2007 10:58:41 +0100
>>Subject: Re: Just A Few Roswell Questions

>>There are other factors too: 5x4 format flat sheet film had and
>>still has, a reference notch to locate the film sheet correctly
>>into the film holders. From this we can deduce which way the
>>camera taking the photograph was held _if_ it were a
>>SpeedGraphic.

<snip>

>Neil, this is not true at all.

>I'm probably one of the few, and maybe the only, person on this
>list who has actually shot a lot of photos with a Speed Graphic
>(two words, not one). I've also worked extensively with a number
>of other 4 X 5 cameras, and spent my share of time in the
>darkroom loading sheet film holders (sometimes called dark
>slides by British photographers).

>The notch has nothing to do with orienting the film in the
>holder. The notches are a way to identify which kind of film you
>have in your hands in the dark, a sort of Braille code if you
>will. No two film brands/types have the same notch code. You can
>"read" the notches by running your fingers over them in the
>dark.

>They also let you know which side is the emulsion side. If you
>hold a sheet of film with the long side vertical and the notches
>are closest to the upper right or lower left corner, then the
>emulsion is facing you. If the notches are in the upper left or
>lower right corner, then the emulsion is facing away from you.
>But you only need do this check with the first sheet in a new
>box, since all sheets are packaged facing the same way.

Not that it's necessary, but I can confirm from personal
experience of using commercial films with old darkslides as well
as vacuum-backs that Bob's explanation is exactly right.




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