Space Rocket History #146 – Saturn: S-II Stage Part 1: Common Bulkheads, Gores, & Honeycomb Sandwiches
The structural efficiency of the S-II stage, in terms of the weight and pressures taken by its extra-thin walls, was comparable only to the capacity of one of nature’s most refined examples of structural efficiency, the egg.
Saturn S-II Stage Diagram
Saturn S-II Stage Exploded View
Saturn S-II Cut-Away Drawing