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Hello,

I am also looking for information about the Time-O-Lite monitor. It is a dimmer/voltage regulator/rheostat. I want to sue it for a non-photographic purpose - to control the amount of...

Saturday's findings.

I am using data from this post on APUG http://www.apug.org/forums/forum37/11130-any-hard-data-silver-quantity.html. It quotes a small amount of information from a book called...

Progress!

Peter, John,

Thank for you for your helpful insights.

Following up on Peter's suggestion I found a local firm that recycles xray film and gave them a call. For xray film they pay...

Many thanks!

Electrolytic de-silvering is more what I had in mind. One ideal case would be to deliver the paper to someone who would de-silver it and keep some percentage (half???) of the...

Hello,

Over the years friends gave me a few thousand sheets of 8x10 paper they were not going to use. Most of it is RC, some fiber-based. A few months ago I ran some test prints and found the...

Scott,

[as though a 5 1/2 year problem was still top of mind]

I wonder if the discoloration is caused by your easel blades contacting the paper. Perhaps they are physically damaging the...

Update! I called Opticlean but landed in voice mail and opted not to leave a message. Then I called Schneider (the east coast office in the U.S.) and after some helpful discussion was advised to...

Good thoughts. I think I will contact Schneider and ask them if the lens will tolerate the Opticlean polymer or if it is made of a polycarbonate. If that leads nowhere, I will contact Opticlean and...

Straun,

The polymer from opticlean sounds like a cool technology... although a little pricey relative to my budget. Thanks for mentioning it.

Have you used it? Does it work as advertised? Any...

Yeah, maybe it is a perfectly ordinary cleaning situation; albeit one that requires extra delicacy.

Hey thanks Barry and Gordon.

If it helps, we have a small ultrasonic cleaner. I could remove the back portion of the lens and hold it above the bottom of the ultrasonic cleaner for a few minutes....

Hello,

I am embarrassed to admit that the single best piece of glass I own has endured a terribly unfortunate circumstance. My enlarging lens, a Schneider APO-Componon HM 4/150, sat in open air...