An image from Rockets and Satellites Work Like This, as found on the marvelous Dreams of Space blog. It’s a children’s book about the then-current Space Race and the potential future of lunar colonies and inflatable space stations.
This image is actually 10 years older than the book it’s in, “carried over from the 1959 first edition,” as Mr. Sisson says.
Some of the projects described in the book are still being worked on by NASA researchers today.