A good scan of a bad photocopy of an advertisement published in Aviation Week sometime in the mid 1960’s shows a few depictions of rotating space stations. That was something American aerospace companies did back then… try to recruit employees with the promise of exciting things to come in the space program. Shrug. In this case, the stations appear to be single-launch designs that would expand or unfold once in space.

Anyway, this is a bit of further information related to a piece of artwork previously posted HERE.