Quote Originally Posted by Hologram View Post
I did put many French, German and some English written files related to Lippmann photography online - see http://www.holowiki.com/index.php/Lippmann_Papers

There's also a forum on Lippmann photography: http://holographyforum.org/phpBB2/vi...ded0a99631bd6f

Yes, those are colloidal developers. Shrinkage is virtually absent, since no material is lost by the development.
Thanks, I have spent quite a bit of time reading on the holography forums Lippman section ( including your posts ) and there was lots of info there.

Would the pyro formula I have come across in several places be a colloidal developer? I could not decide if the GP-2 or pyro developer would give me the best chance of success.