Diagram of the Block II S-I stage.
Click image for a 2666x1342 pixel version of this image in a new window, or
click here for a 12003x9498
pixel version of this image in a new window.
Taken from page 11/3-/11-4 of Apollo
systems description. Volume 2 - Saturn launch vehicles (p. 338 &
339 in the pdf).
Extraction, reconstruction, and cleanup by heroicrelics.org.