For engineers, I found this logbook guide which seems perfect[1]. I found this on the desk of my new job, about 1 month ago. Someone left it there and it intrigued me. I'm trying to abide to it, not religiously, but so far so good. Others might find it helpful.

[1] http://www.webpages.uidaho.edu/mindworks/Capstone%20Design/P...