How to build a PressuVessel?

> consider in an authoritative source. What I was curious to know is:
Was the
> glass thickness ever stated in O'Neill's Physics Today paper, and I just
> overlooked it? Is it in The High Frontier, or some other work
published by
> O'Neill or anyone else involved in the original studies?
>

The original Physics Today paper didn't contain the numbers you asked.
The Standford Study (1977) did come up with design sizes for an Island
1 structure. I'll look it up, but I'm pretty sure that is where the 40
ft comes from.

Bill