holmburgers: thank you for the links.
wildbillbugman: Thank you, I would appreciate the formula and procedure for the blue-sensitive emulsion based on commercial silane.
CRhymer: I can't wait to pick up some new 100$ and make a trip to NYC.
David Lyga: its a hard line to draw.
Vaughn: Deciding where to draw the line is an interesting experience. You tend to learn a lot about yourself.
Photo Engineer: Thanks for explanation about its function when you say you worked at EK where was that?

Thank you everybody for your help.