U of S | Mailing List Archive | alt-photo-process-l | Re: Gum calibration (was: Paper negatives- Ink Selection)

Re: Gum calibration (was: Paper negatives- Ink Selection)

  • To: alt-photo-process-l@usask.ca
  • Subject: Re: Gum calibration (was: Paper negatives- Ink Selection)
  • From: Keith Gerling <keith.gerling@gmail.com>
  • Date: Fri, 17 Oct 2008 17:26:59 -0500
  • Comments: "alt-photo-process mailing list"
  • Delivered-to: alt-photo-process-l-archive@www.usask.ca
  • Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com;s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;bh=aLEU4ru+SMeN04bG2xxDMFyczCvM5TQk3Cu4l4phNkM=;b=XP17u+YYAe0jUIfRCoTG1hTaAeetucw3wsb+HDVSuAKJPFtMUbvaoo2IY7fCzDHZS1PYe1O17xcO5KN6CbREicOWmJBViEQ3YppWesX90DRSzQhrzLz/woO2mex+ACNA9m4ndPqWFYoURwdOdxki10EgYgSspuqoiZTmWWVF1hc=
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;h=message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition :references;b=LcpaFtKG6wa9kyN3uoDffjwPgf1HaeigEfHpip0KWz8hW1oNgSA1z1csQBzvkXXiIej408/gnBt3IZHa6EfqCnzTrxpGBJBwQjKnNK3N3ynUkfCfx42i41EXM/NPrzqfBr8rcMe52+94j3tin6vgNN890Yl2PHPVguLQyOh4++I=
  • In-reply-to: <8641CD00.46B0.46F0.B296.D5EE134C08B0@aol.com>
  • List-id: alt-photo-process mailing list <alt-photo-process-l@sask.usask.ca>
  • References: <98766a900810171355o712aeb10h1daab3367bb5c374@mail.gmail.com><8641CD00.46B0.46F0.B296.D5EE134C08B0@aol.com>
  • Reply-to: alt-photo-process-l@usask.ca

I'm not sure if there is a humidity factor.  I just never paid any
particular attention to it.  I gave special scrutiny to Loris's print
because I was looking for differences in our procedures in my quest
for shorter exposure times.  My development time for Fabriano is about
the same.

On Fri, Oct 17, 2008 at 4:56 PM, ender100 <ender100@aol.com> wrote:
> Is printing out with gum like Platinum/Palladium?  The more moisture, the
> more printing out?
> Best Wishes,
> Mark Nelson
> Precision Digital Negatives
> PDN Print Forum @ Yahoo! Groups
> Mark Nelson Photography
> On Oct 17, 2008, at 3:55:22 PM, "Keith Gerling" <keith.gerling@gmail.com>
> wrote:
> I am going to look more carefully at my next print, but off-hand I
> would say that I can see very little highlight detail in my prints
> before development. I've had occasions where I could barely detect
> any image at all, but have still come up with a full-toned print after
> development. How long did it take to develop that print?
> --