RE: Consistency Is No Hobgoblin

About this list Date view Thread view Subject view Author view

From: Jeff Buck (jeffbuck@swcp.com)
Date: 11/12/02-10:31:41 PM Z


Liam: I don't think I do that, but let me cite my std. formulae and see
what you think: For a 5x7, 9 drops FO and 9 drops metal. For an 8x10, 19
drops FO and 19 drops metal. Spread w/ a Richeson 9010 4-inch brush (the
"magic brush").... -jb

At 04:23 AM 11/13/2002 +0000, you wrote:
>Jeff,
>
>Another thing to look at might be your coating consistency. Trying to
>stretch your sensitiser as far as you can, using as little as possible per
>coat (as some folk do) could account for it.
>
>
>
>Liam
>
>-----Original Message-----
>From: Jeff Buck [mailto:jeffbuck@swcp.com]
>Sent: 13 November 2002 02:58
>To: alt-photo-process-l@sask.usask.ca
>Subject: Consistency Is No Hobgoblin
>
>
>Actually, it's the tendency of a phenomenon to recur in the same
>form.... Anyway, after doing platinum/palladium for about fifteen months
>now, I find if very difficult to achieve. I arrive at a print that is
>satisfying. I want to repeat it. So, I use the same paper, the same
>chemicals (plain FO, pure palladium, PO w/ sodium dicromate mostly), the
>same exposure, and the same developer. As for ambient temperature and
>humidity, I can get pretty close to repeating, especially this time of year
>when I'm producing both artificially (by and large). Like the last couple
>days, I'm printing this negative, and the temp is between 65F and 70F, the
>humidity is in the range of 60% to 70%. In each instance, the paper has
>been laying out in the area of that temp and humidity for a few hours; it's
>a little "heavy" and tacky to the touch. I guess I made four prints in
>these conditions (I was double-coating Platine, if that makes any
>difference). There were notable differences in the overall darkness of the
>prints and in degree of contrast. Would you expect discernible differences
>working within these variations in temp and humidity? How do you measure
>the temperature of the FO and platinum or palladium? I'm squeamish, maybe
>for no reason, about putting a thermometer into a bottle of precious
>metal....


About this list Date view Thread view Subject view Author view

This archive was generated by hypermail 2.1.5 : 12/17/02-04:47:05 PM Z CST