Re: Van Dyke Help Sought

Michael R. Coble (groundglass@delphi.com)
Thu, 12 Sep 1996 20:41:41 -0400

>SCHRAMMR@WLSVAX.WVNET.EDU wrote:
>>
>> George,
>>
>> Exactly how are you coating the paper?
>>
>> Bob Schramm
>
>I keep the Van Dyke sensitizer in the refrigerator in a blackened
>bottle. When ready to coat, I shake it up and pour an inch or so into a
>glass container. I normally wait for the sensitizer to come to room
>temperature. I dip a four-inch foam brush into the container and allow
>it to become saturated with the solution. I then push the brush against
>the side of the container until I've squeezed as much as possible from
>the brush. I then lay even strokes across the paper, slightly
>overlapping. I turn the paper 180 degrees, and go through the same
>procedure. I then turn the paper 90 degrees and repeat. I finally turn
>the paper 180 degrees and repeat, trying to ensure that there are no
>"puddles." I allow the paper to dry in the dark.
>
>george
>--
> Handmade Photographic Images
> http://www2.ari.net/glsmyth
>
>
>In my experiences the Humidity level tends to have a effect on the sensitivity
of the emulsion .I've tried to standardize the drying process with a drying
box and a
controllable light source for printing. I don't know if this might be of
help to you.

Michael coble