Quote Originally Posted by emerson531 View Post
Would appreciate the insight of experienced Kodak DataGuide Users.

I'm have the 1979 Black-and-White Darkroom Dataguide
Edition 6
I have the same version

On Page 5 The Table of Development Numbers.
Why are some numbers Light Grey while others Orange Brown vs normal BLACK?
I can't find any explanation

On Page 7 The Developing Dial
What is the purpose of the Orange Brown "P" to the left of the dial Triangle Pointer?
The P is for push processing. See the middle of Page 10


So I'm 1 for 2.