On 14 Feb 2007 18:50:15 -0800, "Steven Woody"
wrote:

i am so happy i now can home test speeds of b&w negatives. i adapted
the method from Adams's books which told me how to find 0.1 density
point on the negative by using a lightbox and a spot meter. it's
great.

Which of Adams' books? Can you summarize here?

Thanks,


Father Kodak