Re: Becquerel-developed daguerreotype still lifes?

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From: Robert W. Schramm (schrammrus@hotmail.com)
Date: 05/28/01-08:50:19 AM Z

Mac,

The exposures for the Becequerrel process are very long according to my sources. About 20 minutes or more using a source rich in UV. We use a red or yellow safe light so my guess is that tungsten lights would not work very well if at all.

I have been kicking around an idea for some time but haven't tried it yet. Around here you can buy a 175 watt mercury vapor arc yard light for about $35.00 complete with bulb. I wired up four of these units to the ceiling of my garage in order to use as a source for large alt process prints (see next issue of PFJ). I would think that two or three of these might make good lights for the daguerreotype process. If you decide to try this, keep in touch as I might be able to make some suggestions along the way.

Good luck,

Bob Schramm

>From: Mac Legrandi
>Reply-To: alt-photo-process-l@sask.usask.ca
>To: alt-photo-process-l@sask.usask.ca
>Subject: Becquerel-developed daguerreotype still lifes?
>Date: Sun, 27 May 2001 18:42:31 -0700
>
>Hello!
>
>I've been reading about the Becquerel-developed daguerreotype process. i'd like to do still lifes with conventional tungsten lights. is this process just sensitive to UV light, like most of the alt proceses? Would i need a UV rich light source, or just move everything outside?
>
>Other than the book "COMING INTO FOCUS" is this proces discussed in any other sources?
>
>Interestingly, when I was shopping the net for Iodine crystals, i found the price for 100g to range quite a bit. The process is very similar to a forensic fingerprinting process, and they sell the same amount of crystals for $24, half that of many alt photo sources.
>
>Also it is used in for horses and probably can be purchased at a feed and grain store even cheaper. One WARNING is it is also used to make the drug "Meth" and you may get a knock on your door from the police if you purchase some. There are some frightening stories on the web about police going after people purchasing iodine crystals.
>
>Mac
>
>
>
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