>On Mon, 27 Jan 1997, Greg Schmitz wrote:
>> On Fri, 24 Jan 1997, David Morrish wrote:
>> > There are some errors in Kolb which made things very difficult for us
>> > when were trying to learn on our own. Hope this is of some help.
...
>
>Greg and all...
>When Marlene and I started to teach ourselves this complicated process,
>we depended on Kolb's book. After MANY frustrating months we got good
>advice from another practitioner and other, older texts (Cartwright,
>Dennison, and of course, Sacilotto) We soon realized that when we
>finally we consistently successful, the differences were many. Kolb talks
>about using water at 70-80F for adhering (or something like that) which
>of course is not appropriate. It should be at 50F.
>The curing of 20 minutes is also unnecessary. We go immediately from the
>squeegeeing of the tissue the copper to the hot water wash out. And we do
>not pour 100% alcohol over the back. As for the density range, I
>think that Kolb talks about .20-.40 for the highlight densities and that is
>really too thin. It should be more like .40 and higher. The shadows should
>be about 1.8 (1.7 - 1.9) and then he never mentions the density of blacks,
>which should be somewhere around 2.0 or denser.
>I hesitate to say Kolb is wrong,
I don't, as far as the carbon part of the process goes.
>more like he has an excessive number of steps.
>I also think that his information about etching (range of baumes and times
>in each bath) is just not universally applicable. Rather, each practitioner
>has to more or less figure it out for themselves. Also, we could never
>get his recipe for making ferric (ferrous?) hydroxide to work.
>
>I could send (orFAX) and Outline of our steps to anyone who sends me
>thier number or Snail address. I hope it helps
Better yet, put in on the web. I have two excellent gravures from you in my
collection. I'm sure they were not made by accident and whatever info you
provide on this is likely to be solid.
Luis Nadeau
nadeaul@nbnet.nb.ca
Fredericton, New Brunswick, Canada