Direct Positive Paper - How Does It Work?

Photo Engineer

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• Feb 9, 2011

• #51

Ray;

I think I said what you just posted, in my post. I just did it with fewer words. There is much more modern information, probably in patents as I have stated earlier.

PE

 

richard ide

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• Feb 9, 2011

• #52

Knowledge is not theory.

 

Ray Rogers

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• Feb 9, 2011

• #53

richard ide said:

Knowledge is not theory.

Click to expand...

Maybe.

Still, I get the impression a lot of "knowledge" is just theory in disguise.
But, if I undestood your point, I agree the gap in photography between industy and theory was pretty deep.

Perhaps it was only colory theory that was at the head of the arrow?

 

Last edited by a moderator: Feb 9, 2011