Automotive Collision Work, by Venk, Spicer, and Davies. third edition, 1964 published by American Technical Society, Chi, Ill pages 86-88
Not great illustrations, and a somewhat cumbersome explanation of line filing vs. X filing (cross filing to others), but hey, thought I'd give it a shot, as I am indeed old and have some old books. At any rate, I got lost in this one for a while this AM, all good.
John B: If this is what you are looking for, feel free to re-use the scans below from my album. If necessary, I can rescan them at a better resolution.
Don't know why the 2 sequential scans are different colors, just another digital mystery.